20365521

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 30759936

約数和(自身を除く): 10394415

約数列:

[1, 3, 11, 33, 61, 67, 151, 183, 201, 453, 671, 737, 1661, 2013, 2211, 4087, 4983, 9211, 10117, 12261, 27633, 30351, 44957, 101321, 111287, 134871, 303963, 333861, 617137, 1851411, 6788507, 20365521]

約数ペア:

[(1, 20365521), (3, 6788507), (11, 1851411), (33, 617137), (61, 333861), (67, 303963), (151, 134871), (183, 111287), (201, 101321), (453, 44957), (671, 30351), (737, 27633), (1661, 12261), (2013, 10117), (2211, 9211), (4087, 4983)]