20449715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 29647296

約数和(自身を除く): 9197581

約数列:

[1, 5, 11, 13, 37, 55, 65, 143, 185, 407, 481, 715, 773, 2035, 2405, 3865, 5291, 8503, 10049, 26455, 28601, 42515, 50245, 110539, 143005, 314611, 371813, 552695, 1573055, 1859065, 4089943, 20449715]

約数ペア:

[(1, 20449715), (5, 4089943), (11, 1859065), (13, 1573055), (37, 552695), (55, 371813), (65, 314611), (143, 143005), (185, 110539), (407, 50245), (481, 42515), (715, 28601), (773, 26455), (2035, 10049), (2405, 8503), (3865, 5291)]