20161351945

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{39157}}^1$

素因数の和:39529

約数の個数: 32

約数和(自身を含む): 28329090048

約数和(自身を除く): 8167738103

約数列:

[1, 5, 7, 35, 47, 235, 313, 329, 1565, 1645, 2191, 10955, 14711, 39157, 73555, 102977, 195785, 274099, 514885, 1370495, 1840379, 9201895, 12256141, 12882653, 61280705, 64413265, 85792987, 428964935, 576038627, 2880193135, 4032270389, 20161351945]

約数ペア:

[(1, 20161351945), (5, 4032270389), (7, 2880193135), (35, 576038627), (47, 428964935), (235, 85792987), (313, 64413265), (329, 61280705), (1565, 12882653), (1645, 12256141), (2191, 9201895), (10955, 1840379), (14711, 1370495), (39157, 514885), (73555, 274099), (102977, 195785)]