20010256

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3371}}^1$

素因数の和:3439

約数の個数: 40

約数和(自身を含む): 45157824

約数和(自身を除く): 25147568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3371, 5936, 6742, 13484, 23597, 26968, 47194, 53936, 94388, 178663, 188776, 357326, 377552, 714652, 1250641, 1429304, 2501282, 2858608, 5002564, 10005128, 20010256]

約数ペア:

[(1, 20010256), (2, 10005128), (4, 5002564), (7, 2858608), (8, 2501282), (14, 1429304), (16, 1250641), (28, 714652), (53, 377552), (56, 357326), (106, 188776), (112, 178663), (212, 94388), (371, 53936), (424, 47194), (742, 26968), (848, 23597), (1484, 13484), (2968, 6742), (3371, 5936)]