20967256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1021}}^1$

素因数の和:1195

約数の個数: 32

約数和(自身を含む): 41942880

約数和(自身を除く): 20975624

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 151, 302, 604, 1021, 1208, 2042, 2567, 4084, 5134, 8168, 10268, 17357, 20536, 34714, 69428, 138856, 154171, 308342, 616684, 1233368, 2620907, 5241814, 10483628, 20967256]

約数ペア:

[(1, 20967256), (2, 10483628), (4, 5241814), (8, 2620907), (17, 1233368), (34, 616684), (68, 308342), (136, 154171), (151, 138856), (302, 69428), (604, 34714), (1021, 20536), (1208, 17357), (2042, 10268), (2567, 8168), (4084, 5134)]