20137730

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 37231488

約数和(自身を除く): 17093758

約数列:

[1, 2, 5, 10, 71, 113, 142, 226, 251, 355, 502, 565, 710, 1130, 1255, 2510, 8023, 16046, 17821, 28363, 35642, 40115, 56726, 80230, 89105, 141815, 178210, 283630, 2013773, 4027546, 10068865, 20137730]

約数ペア:

[(1, 20137730), (2, 10068865), (5, 4027546), (10, 2013773), (71, 283630), (113, 178210), (142, 141815), (226, 89105), (251, 80230), (355, 56726), (502, 40115), (565, 35642), (710, 28363), (1130, 17821), (1255, 16046), (2510, 8023)]