20090270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{773}}^1$

素因数の和:916

約数の個数: 32

約数和(自身を含む): 38117952

約数和(自身を除く): 18027682

約数列:

[1, 2, 5, 10, 23, 46, 113, 115, 226, 230, 565, 773, 1130, 1546, 2599, 3865, 5198, 7730, 12995, 17779, 25990, 35558, 87349, 88895, 174698, 177790, 436745, 873490, 2009027, 4018054, 10045135, 20090270]

約数ペア:

[(1, 20090270), (2, 10045135), (5, 4018054), (10, 2009027), (23, 873490), (46, 436745), (113, 177790), (115, 174698), (226, 88895), (230, 87349), (565, 35558), (773, 25990), (1130, 17779), (1546, 12995), (2599, 7730), (3865, 5198)]