20163546455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{194977}}^1$

素因数の和:195075

約数の個数: 32

約数和(自身を含む): 27384270144

約数和(自身を除く): 7220723689

約数列:

[1, 5, 13, 37, 43, 65, 185, 215, 481, 559, 1591, 2405, 2795, 7955, 20683, 103415, 194977, 974885, 2534701, 7214149, 8384011, 12673505, 36070745, 41920055, 93783937, 108992143, 310208407, 468919685, 544960715, 1551042035, 4032709291, 20163546455]

約数ペア:

[(1, 20163546455), (5, 4032709291), (13, 1551042035), (37, 544960715), (43, 468919685), (65, 310208407), (185, 108992143), (215, 93783937), (481, 41920055), (559, 36070745), (1591, 12673505), (2405, 8384011), (2795, 7214149), (7955, 2534701), (20683, 974885), (103415, 194977)]