20888348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1151}}^1$

素因数の和:1517

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 18625252

約数列:

[1, 2, 4, 13, 26, 52, 349, 698, 1151, 1396, 2302, 4537, 4604, 9074, 14963, 18148, 29926, 59852, 401699, 803398, 1606796, 5222087, 10444174, 20888348]

約数ペア:

[(1, 20888348), (2, 10444174), (4, 5222087), (13, 1606796), (26, 803398), (52, 401699), (349, 59852), (698, 29926), (1151, 18148), (1396, 14963), (2302, 9074), (4537, 4604)]