20617130

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 38005200

約数和(自身を除く): 17388070

約数列:

[1, 2, 5, 10, 101, 137, 149, 202, 274, 298, 505, 685, 745, 1010, 1370, 1490, 13837, 15049, 20413, 27674, 30098, 40826, 69185, 75245, 102065, 138370, 150490, 204130, 2061713, 4123426, 10308565, 20617130]

約数ペア:

[(1, 20617130), (2, 10308565), (5, 4123426), (10, 2061713), (101, 204130), (137, 150490), (149, 138370), (202, 102065), (274, 75245), (298, 69185), (505, 40826), (685, 30098), (745, 27674), (1010, 20413), (1370, 15049), (1490, 13837)]