20571628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66791}}^1$

素因数の和:66813

約数の個数: 24

約数和(自身を含む): 44884224

約数和(自身を除く): 24312596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66791, 133582, 267164, 467537, 734701, 935074, 1469402, 1870148, 2938804, 5142907, 10285814, 20571628]

約数ペア:

[(1, 20571628), (2, 10285814), (4, 5142907), (7, 2938804), (11, 1870148), (14, 1469402), (22, 935074), (28, 734701), (44, 467537), (77, 267164), (154, 133582), (308, 66791)]