20797256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4133}}^1$

素因数の和:4193

約数の個数: 32

約数和(自身を含む): 42414840

約数和(自身を除く): 21617584

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 4133, 5032, 8266, 16532, 33064, 70261, 140522, 152921, 281044, 305842, 562088, 611684, 1223368, 2599657, 5199314, 10398628, 20797256]

約数ペア:

[(1, 20797256), (2, 10398628), (4, 5199314), (8, 2599657), (17, 1223368), (34, 611684), (37, 562088), (68, 305842), (74, 281044), (136, 152921), (148, 140522), (296, 70261), (629, 33064), (1258, 16532), (2516, 8266), (4133, 5032)]