20120448590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8329}}^1\times {\mathrm{21961}}^1$

素因数の和:30308

約数の個数: 32

約数和(自身を含む): 39515787360

約数和(自身を除く): 19395338770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 8329, 16658, 21961, 41645, 43922, 83290, 91619, 109805, 183238, 219610, 241571, 458095, 483142, 916190, 1207855, 2415710, 182913169, 365826338, 914565845, 1829131690, 2012044859, 4024089718, 10060224295, 20120448590]

約数ペア:

[(1, 20120448590), (2, 10060224295), (5, 4024089718), (10, 2012044859), (11, 1829131690), (22, 914565845), (55, 365826338), (110, 182913169), (8329, 2415710), (16658, 1207855), (21961, 916190), (41645, 483142), (43922, 458095), (83290, 241571), (91619, 219610), (109805, 183238)]