20783554860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:904

約数の個数: 192

約数和(自身を含む): 61575220224

約数和(自身を除く): 40791665364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 137, 138, 211, 230, 274, 276, 345, 411, 422, 460, 521, 548, 633, 685, 690, 822, 844, 1042, 1055, 1266, 1370, 1380, 1563, 1644, 2055, 2084, 2110, 2532, 2605, 2740, 3126, 3151, 3165, 4110, 4220, 4853, 5210, 6252, 6302, 6330, 7815, 8220, 9453, 9706, 10420, 11983, 12604, 12660, 14559, 15630, 15755, 18906, 19412, 23966, 24265, 28907, 29118, 31260, 31510, 35949, 37812, 47265, 47932, 48530, 57814, 58236, 59915, 63020, 71377, 71898, 72795, 86721, 94530, 97060, 109931, 115628, 119830, 142754, 143796, 144535, 145590, 173442, 179745, 189060, 214131, 219862, 239660, 285508, 289070, 291180, 329793, 346884, 356885, 359490, 428262, 433605, 439724, 549655, 578140, 659586, 664861, 713770, 718980, 856524, 867210, 1070655, 1099310, 1319172, 1329722, 1427540, 1641671, 1648965, 1734420, 1994583, 2141310, 2198620, 2528413, 2659444, 3283342, 3297930, 3324305, 3989166, 4282620, 4925013, 5056826, 6566684, 6595860, 6648610, 7585239, 7978332, 8208355, 9850026, 9972915, 10113652, 12642065, 13297220, 15060547, 15170478, 16416710, 19700052, 19945830, 24625065, 25284130, 30121094, 30340956, 32833420, 37926195, 39891660, 45181641, 49250130, 50568260, 60242188, 75302735, 75852390, 90363282, 98500260, 150605470, 151704780, 180726564, 225908205, 301210940, 346392581, 451816410, 692785162, 903632820, 1039177743, 1385570324, 1731962905, 2078355486, 3463925810, 4156710972, 5195888715, 6927851620, 10391777430, 20783554860]

約数ペア:

[(1, 20783554860), (2, 10391777430), (3, 6927851620), (4, 5195888715), (5, 4156710972), (6, 3463925810), (10, 2078355486), (12, 1731962905), (15, 1385570324), (20, 1039177743), (23, 903632820), (30, 692785162), (46, 451816410), (60, 346392581), (69, 301210940), (92, 225908205), (115, 180726564), (137, 151704780), (138, 150605470), (211, 98500260), (230, 90363282), (274, 75852390), (276, 75302735), (345, 60242188), (411, 50568260), (422, 49250130), (460, 45181641), (521, 39891660), (548, 37926195), (633, 32833420), (685, 30340956), (690, 30121094), (822, 25284130), (844, 24625065), (1042, 19945830), (1055, 19700052), (1266, 16416710), (1370, 15170478), (1380, 15060547), (1563, 13297220), (1644, 12642065), (2055, 10113652), (2084, 9972915), (2110, 9850026), (2532, 8208355), (2605, 7978332), (2740, 7585239), (3126, 6648610), (3151, 6595860), (3165, 6566684), (4110, 5056826), (4220, 4925013), (4853, 4282620), (5210, 3989166), (6252, 3324305), (6302, 3297930), (6330, 3283342), (7815, 2659444), (8220, 2528413), (9453, 2198620), (9706, 2141310), (10420, 1994583), (11983, 1734420), (12604, 1648965), (12660, 1641671), (14559, 1427540), (15630, 1329722), (15755, 1319172), (18906, 1099310), (19412, 1070655), (23966, 867210), (24265, 856524), (28907, 718980), (29118, 713770), (31260, 664861), (31510, 659586), (35949, 578140), (37812, 549655), (47265, 439724), (47932, 433605), (48530, 428262), (57814, 359490), (58236, 356885), (59915, 346884), (63020, 329793), (71377, 291180), (71898, 289070), (72795, 285508), (86721, 239660), (94530, 219862), (97060, 214131), (109931, 189060), (115628, 179745), (119830, 173442), (142754, 145590), (143796, 144535)]