20002040016

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{249079}}^1$

素因数の和:249336

約数の個数: 80

約数和(自身を含む): 59300966400

約数和(自身を除く): 39298926384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 239, 336, 478, 717, 956, 1434, 1673, 1912, 2868, 3346, 3824, 5019, 5736, 6692, 10038, 11472, 13384, 20076, 26768, 40152, 80304, 249079, 498158, 747237, 996316, 1494474, 1743553, 1992632, 2988948, 3487106, 3985264, 5230659, 5977896, 6974212, 10461318, 11955792, 13948424, 20922636, 27896848, 41845272, 59529881, 83690544, 119059762, 178589643, 238119524, 357179286, 416709167, 476239048, 714358572, 833418334, 952478096, 1250127501, 1428717144, 1666836668, 2500255002, 2857434288, 3333673336, 5000510004, 6667346672, 10001020008, 20002040016]

約数ペア:

[(1, 20002040016), (2, 10001020008), (3, 6667346672), (4, 5000510004), (6, 3333673336), (7, 2857434288), (8, 2500255002), (12, 1666836668), (14, 1428717144), (16, 1250127501), (21, 952478096), (24, 833418334), (28, 714358572), (42, 476239048), (48, 416709167), (56, 357179286), (84, 238119524), (112, 178589643), (168, 119059762), (239, 83690544), (336, 59529881), (478, 41845272), (717, 27896848), (956, 20922636), (1434, 13948424), (1673, 11955792), (1912, 10461318), (2868, 6974212), (3346, 5977896), (3824, 5230659), (5019, 3985264), (5736, 3487106), (6692, 2988948), (10038, 1992632), (11472, 1743553), (13384, 1494474), (20076, 996316), (26768, 747237), (40152, 498158), (80304, 249079)]