20692655

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7853}}^1$

素因数の和:7906

約数の個数: 16

約数和(自身を含む): 27143424

約数和(自身を除く): 6450769

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 7853, 39265, 133501, 243443, 667505, 1217215, 4138531, 20692655]

約数ペア:

[(1, 20692655), (5, 4138531), (17, 1217215), (31, 667505), (85, 243443), (155, 133501), (527, 39265), (2635, 7853)]