20001098520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4273739}}^1$

素因数の和:4273769

約数の個数: 96

約数和(自身を含む): 70003861200

約数和(自身を除く): 50002762680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 4273739, 8547478, 12821217, 17094956, 21368695, 25642434, 34189912, 38463651, 42737390, 51284868, 55558607, 64106085, 76927302, 85474780, 102569736, 111117214, 128212170, 153854604, 166675821, 170949560, 192318255, 222234428, 256424340, 277793035, 307709208, 333351642, 384636510, 444468856, 500027463, 512848680, 555586070, 666703284, 769273020, 833379105, 1000054926, 1111172140, 1333406568, 1538546040, 1666758210, 2000109852, 2222344280, 2500137315, 3333516420, 4000219704, 5000274630, 6667032840, 10000549260, 20001098520]

約数ペア:

[(1, 20001098520), (2, 10000549260), (3, 6667032840), (4, 5000274630), (5, 4000219704), (6, 3333516420), (8, 2500137315), (9, 2222344280), (10, 2000109852), (12, 1666758210), (13, 1538546040), (15, 1333406568), (18, 1111172140), (20, 1000054926), (24, 833379105), (26, 769273020), (30, 666703284), (36, 555586070), (39, 512848680), (40, 500027463), (45, 444468856), (52, 384636510), (60, 333351642), (65, 307709208), (72, 277793035), (78, 256424340), (90, 222234428), (104, 192318255), (117, 170949560), (120, 166675821), (130, 153854604), (156, 128212170), (180, 111117214), (195, 102569736), (234, 85474780), (260, 76927302), (312, 64106085), (360, 55558607), (390, 51284868), (468, 42737390), (520, 38463651), (585, 34189912), (780, 25642434), (936, 21368695), (1170, 17094956), (1560, 12821217), (2340, 8547478), (4680, 4273739)]