20013290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5869}}^1$

素因数の和:5918

約数の個数: 32

約数和(自身を含む): 40573440

約数和(自身を除く): 20560150

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 5869, 11738, 29345, 58690, 64559, 129118, 181939, 322795, 363878, 645590, 909695, 1819390, 2001329, 4002658, 10006645, 20013290]

約数ペア:

[(1, 20013290), (2, 10006645), (5, 4002658), (10, 2001329), (11, 1819390), (22, 909695), (31, 645590), (55, 363878), (62, 322795), (110, 181939), (155, 129118), (310, 64559), (341, 58690), (682, 29345), (1705, 11738), (3410, 5869)]