20101950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 144

約数和(自身を含む): 61281792

約数和(自身を除く): 41179842

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 31, 33, 45, 50, 55, 62, 66, 75, 90, 93, 99, 110, 131, 150, 155, 165, 186, 198, 225, 262, 275, 279, 310, 330, 341, 393, 450, 465, 495, 550, 558, 655, 682, 775, 786, 825, 930, 990, 1023, 1179, 1310, 1395, 1441, 1550, 1650, 1705, 1965, 2046, 2325, 2358, 2475, 2790, 2882, 3069, 3275, 3410, 3930, 4061, 4323, 4650, 4950, 5115, 5895, 6138, 6550, 6975, 7205, 8122, 8525, 8646, 9825, 10230, 11790, 12183, 12969, 13950, 14410, 15345, 17050, 19650, 20305, 21615, 24366, 25575, 25938, 29475, 30690, 36025, 36549, 40610, 43230, 44671, 51150, 58950, 60915, 64845, 72050, 73098, 76725, 89342, 101525, 108075, 121830, 129690, 134013, 153450, 182745, 203050, 216150, 223355, 268026, 304575, 324225, 365490, 402039, 446710, 609150, 648450, 670065, 804078, 913725, 1116775, 1340130, 1827450, 2010195, 2233550, 3350325, 4020390, 6700650, 10050975, 20101950]

約数ペア:

[(1, 20101950), (2, 10050975), (3, 6700650), (5, 4020390), (6, 3350325), (9, 2233550), (10, 2010195), (11, 1827450), (15, 1340130), (18, 1116775), (22, 913725), (25, 804078), (30, 670065), (31, 648450), (33, 609150), (45, 446710), (50, 402039), (55, 365490), (62, 324225), (66, 304575), (75, 268026), (90, 223355), (93, 216150), (99, 203050), (110, 182745), (131, 153450), (150, 134013), (155, 129690), (165, 121830), (186, 108075), (198, 101525), (225, 89342), (262, 76725), (275, 73098), (279, 72050), (310, 64845), (330, 60915), (341, 58950), (393, 51150), (450, 44671), (465, 43230), (495, 40610), (550, 36549), (558, 36025), (655, 30690), (682, 29475), (775, 25938), (786, 25575), (825, 24366), (930, 21615), (990, 20305), (1023, 19650), (1179, 17050), (1310, 15345), (1395, 14410), (1441, 13950), (1550, 12969), (1650, 12183), (1705, 11790), (1965, 10230), (2046, 9825), (2325, 8646), (2358, 8525), (2475, 8122), (2790, 7205), (2882, 6975), (3069, 6550), (3275, 6138), (3410, 5895), (3930, 5115), (4061, 4950), (4323, 4650)]