20132947825

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1\times {\mathrm{701}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 26148348720

約数和(自身を除く): 6015400895

約数列:

[1, 5, 25, 37, 61, 185, 305, 509, 701, 925, 1525, 2257, 2545, 3505, 11285, 12725, 17525, 18833, 25937, 31049, 42761, 56425, 94165, 129685, 155245, 213805, 356809, 470825, 648425, 776225, 1069025, 1148813, 1582157, 1784045, 5744065, 7910785, 8920225, 13201933, 21765349, 28720325, 39553925, 66009665, 108826745, 330048325, 544133725, 805317913, 4026589565, 20132947825]

約数ペア:

[(1, 20132947825), (5, 4026589565), (25, 805317913), (37, 544133725), (61, 330048325), (185, 108826745), (305, 66009665), (509, 39553925), (701, 28720325), (925, 21765349), (1525, 13201933), (2257, 8920225), (2545, 7910785), (3505, 5744065), (11285, 1784045), (12725, 1582157), (17525, 1148813), (18833, 1069025), (25937, 776225), (31049, 648425), (42761, 470825), (56425, 356809), (94165, 213805), (129685, 155245)]