20976832

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 56

約数和(自身を含む): 43809920

約数和(自身を除く): 22833088

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 97, 109, 124, 194, 218, 248, 388, 436, 496, 776, 872, 992, 1552, 1744, 1984, 3007, 3104, 3379, 3488, 6014, 6208, 6758, 6976, 10573, 12028, 13516, 21146, 24056, 27032, 42292, 48112, 54064, 84584, 96224, 108128, 169168, 192448, 216256, 327763, 338336, 655526, 676672, 1311052, 2622104, 5244208, 10488416, 20976832]

約数ペア:

[(1, 20976832), (2, 10488416), (4, 5244208), (8, 2622104), (16, 1311052), (31, 676672), (32, 655526), (62, 338336), (64, 327763), (97, 216256), (109, 192448), (124, 169168), (194, 108128), (218, 96224), (248, 84584), (388, 54064), (436, 48112), (496, 42292), (776, 27032), (872, 24056), (992, 21146), (1552, 13516), (1744, 12028), (1984, 10573), (3007, 6976), (3104, 6758), (3379, 6208), (3488, 6014)]