20163854295

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{931571}}^1$

素因数の和:931632

約数の個数: 48

約数和(自身を含む): 38656511712

約数和(自身を除く): 18492657417

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 185, 195, 333, 481, 555, 585, 1443, 1665, 2405, 4329, 7215, 21645, 931571, 2794713, 4657855, 8384139, 12110423, 13973565, 34468127, 36331269, 41920695, 60552115, 103404381, 108993807, 172340635, 181656345, 310213143, 448085651, 517021905, 544969035, 1344256953, 1551065715, 2240428255, 4032770859, 6721284765, 20163854295]

約数ペア:

[(1, 20163854295), (3, 6721284765), (5, 4032770859), (9, 2240428255), (13, 1551065715), (15, 1344256953), (37, 544969035), (39, 517021905), (45, 448085651), (65, 310213143), (111, 181656345), (117, 172340635), (185, 108993807), (195, 103404381), (333, 60552115), (481, 41920695), (555, 36331269), (585, 34468127), (1443, 13973565), (1665, 12110423), (2405, 8384139), (4329, 4657855), (7215, 2794713), (21645, 931571)]