20585985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3323}}^1$

素因数の和:3397

約数の個数: 32

約数和(自身を含む): 38292480

約数和(自身を除く): 17706495

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 105, 177, 295, 413, 885, 1239, 2065, 3323, 6195, 9969, 16615, 23261, 49845, 69783, 116305, 196057, 348915, 588171, 980285, 1372399, 2940855, 4117197, 6861995, 20585985]

約数ペア:

[(1, 20585985), (3, 6861995), (5, 4117197), (7, 2940855), (15, 1372399), (21, 980285), (35, 588171), (59, 348915), (105, 196057), (177, 116305), (295, 69783), (413, 49845), (885, 23261), (1239, 16615), (2065, 9969), (3323, 6195)]