20123265735

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1\times {\mathrm{42953}}^1$

素因数の和:43352

約数の個数: 48

約数和(自身を含む): 36184449600

約数和(自身を除く): 16061183865

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 359, 435, 1077, 1305, 1795, 3231, 5385, 10411, 16155, 31233, 42953, 52055, 93699, 128859, 156165, 214765, 386577, 468495, 644295, 1245637, 1932885, 3736911, 6228185, 11210733, 15420127, 18684555, 46260381, 56053665, 77100635, 138781143, 231301905, 447183683, 693905715, 1341551049, 2235918415, 4024653147, 6707755245, 20123265735]

約数ペア:

[(1, 20123265735), (3, 6707755245), (5, 4024653147), (9, 2235918415), (15, 1341551049), (29, 693905715), (45, 447183683), (87, 231301905), (145, 138781143), (261, 77100635), (359, 56053665), (435, 46260381), (1077, 18684555), (1305, 15420127), (1795, 11210733), (3231, 6228185), (5385, 3736911), (10411, 1932885), (16155, 1245637), (31233, 644295), (42953, 468495), (52055, 386577), (93699, 214765), (128859, 156165)]