20045200090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1\times {\mathrm{66949}}^1$

素因数の和:67414

約数の個数: 32

約数和(自身を含む): 36635040000

約数和(自身を除く): 16589839910

約数列:

[1, 2, 5, 10, 79, 158, 379, 395, 758, 790, 1895, 3790, 29941, 59882, 66949, 133898, 149705, 299410, 334745, 669490, 5288971, 10577942, 25373671, 26444855, 50747342, 52889710, 126868355, 253736710, 2004520009, 4009040018, 10022600045, 20045200090]

約数ペア:

[(1, 20045200090), (2, 10022600045), (5, 4009040018), (10, 2004520009), (79, 253736710), (158, 126868355), (379, 52889710), (395, 50747342), (758, 26444855), (790, 25373671), (1895, 10577942), (3790, 5288971), (29941, 669490), (59882, 334745), (66949, 299410), (133898, 149705)]