20128334928

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1\times {\mathrm{15137}}^1$

素因数の和:17292

約数の個数: 80

約数和(自身を含む): 56028038976

約数和(自身を除く): 35899704048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 2131, 4262, 6393, 8524, 12786, 15137, 17048, 25572, 27703, 30274, 34096, 45411, 51144, 55406, 60548, 83109, 90822, 102288, 110812, 121096, 166218, 181644, 196781, 221624, 242192, 332436, 363288, 393562, 443248, 590343, 664872, 726576, 787124, 1180686, 1329744, 1574248, 2361372, 3148496, 4722744, 9445488, 32256947, 64513894, 96770841, 129027788, 193541682, 258055576, 387083364, 419340311, 516111152, 774166728, 838680622, 1258020933, 1548333456, 1677361244, 2516041866, 3354722488, 5032083732, 6709444976, 10064167464, 20128334928]

約数ペア:

[(1, 20128334928), (2, 10064167464), (3, 6709444976), (4, 5032083732), (6, 3354722488), (8, 2516041866), (12, 1677361244), (13, 1548333456), (16, 1258020933), (24, 838680622), (26, 774166728), (39, 516111152), (48, 419340311), (52, 387083364), (78, 258055576), (104, 193541682), (156, 129027788), (208, 96770841), (312, 64513894), (624, 32256947), (2131, 9445488), (4262, 4722744), (6393, 3148496), (8524, 2361372), (12786, 1574248), (15137, 1329744), (17048, 1180686), (25572, 787124), (27703, 726576), (30274, 664872), (34096, 590343), (45411, 443248), (51144, 393562), (55406, 363288), (60548, 332436), (83109, 242192), (90822, 221624), (102288, 196781), (110812, 181644), (121096, 166218)]