20187432005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{465631}}^1$

素因数の和:465701

約数の個数: 32

約数和(自身を含む): 28161423360

約数和(自身を除く): 7973991355

約数列:

[1, 5, 13, 23, 29, 65, 115, 145, 299, 377, 667, 1495, 1885, 3335, 8671, 43355, 465631, 2328155, 6053203, 10709513, 13503299, 30266015, 53547565, 67516495, 139223669, 175542887, 310575877, 696118345, 877714435, 1552879385, 4037486401, 20187432005]

約数ペア:

[(1, 20187432005), (5, 4037486401), (13, 1552879385), (23, 877714435), (29, 696118345), (65, 310575877), (115, 175542887), (145, 139223669), (299, 67516495), (377, 53547565), (667, 30266015), (1495, 13503299), (1885, 10709513), (3335, 6053203), (8671, 2328155), (43355, 465631)]