20649936

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{6421}}^1$

素因数の和:6499

約数の個数: 40

約数和(自身を含む): 54150304

約数和(自身を除く): 33500368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 201, 268, 402, 536, 804, 1072, 1608, 3216, 6421, 12842, 19263, 25684, 38526, 51368, 77052, 102736, 154104, 308208, 430207, 860414, 1290621, 1720828, 2581242, 3441656, 5162484, 6883312, 10324968, 20649936]

約数ペア:

[(1, 20649936), (2, 10324968), (3, 6883312), (4, 5162484), (6, 3441656), (8, 2581242), (12, 1720828), (16, 1290621), (24, 860414), (48, 430207), (67, 308208), (134, 154104), (201, 102736), (268, 77052), (402, 51368), (536, 38526), (804, 25684), (1072, 19263), (1608, 12842), (3216, 6421)]