20558510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{577}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 42448320

約数和(自身を除く): 21889810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 509, 577, 1018, 1154, 2545, 2885, 3563, 4039, 5090, 5770, 7126, 8078, 17815, 20195, 35630, 40390, 293693, 587386, 1468465, 2055851, 2936930, 4111702, 10279255, 20558510]

約数ペア:

[(1, 20558510), (2, 10279255), (5, 4111702), (7, 2936930), (10, 2055851), (14, 1468465), (35, 587386), (70, 293693), (509, 40390), (577, 35630), (1018, 20195), (1154, 17815), (2545, 8078), (2885, 7126), (3563, 5770), (4039, 5090)]