20797496

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 40294800

約数和(自身を除く): 19497304

約数列:

[1, 2, 4, 8, 41, 82, 163, 164, 326, 328, 389, 652, 778, 1304, 1556, 3112, 6683, 13366, 15949, 26732, 31898, 53464, 63407, 63796, 126814, 127592, 253628, 507256, 2599687, 5199374, 10398748, 20797496]

約数ペア:

[(1, 20797496), (2, 10398748), (4, 5199374), (8, 2599687), (41, 507256), (82, 253628), (163, 127592), (164, 126814), (326, 63796), (328, 63407), (389, 53464), (652, 31898), (778, 26732), (1304, 15949), (1556, 13366), (3112, 6683)]