20948021240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{18058639}}^1$

素因数の和:18058679

約数の個数: 32

約数和(自身を含む): 48758328000

約数和(自身を除く): 27810306760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 18058639, 36117278, 72234556, 90293195, 144469112, 180586390, 361172780, 523700531, 722345560, 1047401062, 2094802124, 2618502655, 4189604248, 5237005310, 10474010620, 20948021240]

約数ペア:

[(1, 20948021240), (2, 10474010620), (4, 5237005310), (5, 4189604248), (8, 2618502655), (10, 2094802124), (20, 1047401062), (29, 722345560), (40, 523700531), (58, 361172780), (116, 180586390), (145, 144469112), (232, 90293195), (290, 72234556), (580, 36117278), (1160, 18058639)]