20168156700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{16811}}^1$

素因数の和:16905

約数の個数: 216

約数和(自身を含む): 66776726016

約数和(自身を除く): 46608569316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 43, 45, 50, 60, 62, 75, 86, 90, 93, 100, 124, 129, 150, 155, 172, 180, 186, 215, 225, 258, 279, 300, 310, 372, 387, 430, 450, 465, 516, 558, 620, 645, 774, 775, 860, 900, 930, 1075, 1116, 1290, 1333, 1395, 1548, 1550, 1860, 1935, 2150, 2325, 2580, 2666, 2790, 3100, 3225, 3870, 3999, 4300, 4650, 5332, 5580, 6450, 6665, 6975, 7740, 7998, 9300, 9675, 11997, 12900, 13330, 13950, 15996, 16811, 19350, 19995, 23994, 26660, 27900, 33325, 33622, 38700, 39990, 47988, 50433, 59985, 66650, 67244, 79980, 84055, 99975, 100866, 119970, 133300, 151299, 168110, 199950, 201732, 239940, 252165, 299925, 302598, 336220, 399900, 420275, 504330, 521141, 599850, 605196, 722873, 756495, 840550, 1008660, 1042282, 1199700, 1260825, 1445746, 1512990, 1563423, 1681100, 2084564, 2168619, 2521650, 2605705, 2891492, 3025980, 3126846, 3614365, 3782475, 4337238, 4690269, 5043300, 5211410, 6253692, 6505857, 7228730, 7564950, 7817115, 8674476, 9380538, 10422820, 10843095, 13011714, 13028525, 14457460, 15129900, 15634230, 18071825, 18761076, 21686190, 22409063, 23451345, 26023428, 26057050, 31268460, 32529285, 36143650, 39085575, 43372380, 44818126, 46902690, 52114100, 54215475, 65058570, 67227189, 72287300, 78171150, 89636252, 93805380, 108430950, 112045315, 117256725, 130117140, 134454378, 156342300, 162646425, 201681567, 216861900, 224090630, 234513450, 268908756, 325292850, 336135945, 403363134, 448181260, 469026900, 560226575, 650585700, 672271890, 806726268, 1008407835, 1120453150, 1344543780, 1680679725, 2016815670, 2240906300, 3361359450, 4033631340, 5042039175, 6722718900, 10084078350, 20168156700]

約数ペア:

[(1, 20168156700), (2, 10084078350), (3, 6722718900), (4, 5042039175), (5, 4033631340), (6, 3361359450), (9, 2240906300), (10, 2016815670), (12, 1680679725), (15, 1344543780), (18, 1120453150), (20, 1008407835), (25, 806726268), (30, 672271890), (31, 650585700), (36, 560226575), (43, 469026900), (45, 448181260), (50, 403363134), (60, 336135945), (62, 325292850), (75, 268908756), (86, 234513450), (90, 224090630), (93, 216861900), (100, 201681567), (124, 162646425), (129, 156342300), (150, 134454378), (155, 130117140), (172, 117256725), (180, 112045315), (186, 108430950), (215, 93805380), (225, 89636252), (258, 78171150), (279, 72287300), (300, 67227189), (310, 65058570), (372, 54215475), (387, 52114100), (430, 46902690), (450, 44818126), (465, 43372380), (516, 39085575), (558, 36143650), (620, 32529285), (645, 31268460), (774, 26057050), (775, 26023428), (860, 23451345), (900, 22409063), (930, 21686190), (1075, 18761076), (1116, 18071825), (1290, 15634230), (1333, 15129900), (1395, 14457460), (1548, 13028525), (1550, 13011714), (1860, 10843095), (1935, 10422820), (2150, 9380538), (2325, 8674476), (2580, 7817115), (2666, 7564950), (2790, 7228730), (3100, 6505857), (3225, 6253692), (3870, 5211410), (3999, 5043300), (4300, 4690269), (4650, 4337238), (5332, 3782475), (5580, 3614365), (6450, 3126846), (6665, 3025980), (6975, 2891492), (7740, 2605705), (7998, 2521650), (9300, 2168619), (9675, 2084564), (11997, 1681100), (12900, 1563423), (13330, 1512990), (13950, 1445746), (15996, 1260825), (16811, 1199700), (19350, 1042282), (19995, 1008660), (23994, 840550), (26660, 756495), (27900, 722873), (33325, 605196), (33622, 599850), (38700, 521141), (39990, 504330), (47988, 420275), (50433, 399900), (59985, 336220), (66650, 302598), (67244, 299925), (79980, 252165), (84055, 239940), (99975, 201732), (100866, 199950), (119970, 168110), (133300, 151299)]