20217961792

素因数分解:

$2^6\times 7^1\times {\mathrm{109}}^1\times {\mathrm{414031}}^1$

素因数の和:414159

約数の個数: 56

約数和(自身を含む): 46272216320

約数和(自身を除く): 26054254528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 218, 224, 436, 448, 763, 872, 1526, 1744, 3052, 3488, 6104, 6976, 12208, 24416, 48832, 414031, 828062, 1656124, 2898217, 3312248, 5796434, 6624496, 11592868, 13248992, 23185736, 26497984, 45129379, 46371472, 90258758, 92742944, 180517516, 185485888, 315905653, 361035032, 631811306, 722070064, 1263622612, 1444140128, 2527245224, 2888280256, 5054490448, 10108980896, 20217961792]

約数ペア:

[(1, 20217961792), (2, 10108980896), (4, 5054490448), (7, 2888280256), (8, 2527245224), (14, 1444140128), (16, 1263622612), (28, 722070064), (32, 631811306), (56, 361035032), (64, 315905653), (109, 185485888), (112, 180517516), (218, 92742944), (224, 90258758), (436, 46371472), (448, 45129379), (763, 26497984), (872, 23185736), (1526, 13248992), (1744, 11592868), (3052, 6624496), (3488, 5796434), (6104, 3312248), (6976, 2898217), (12208, 1656124), (24416, 828062), (48832, 414031)]