23021720

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2293}}^1$

素因数の和:2555

約数の個数: 32

約数和(自身を含む): 52027920

約数和(自身を除く): 29006200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2293, 2510, 4586, 5020, 9172, 10040, 11465, 18344, 22930, 45860, 91720, 575543, 1151086, 2302172, 2877715, 4604344, 5755430, 11510860, 23021720]

約数ペア:

[(1, 23021720), (2, 11510860), (4, 5755430), (5, 4604344), (8, 2877715), (10, 2302172), (20, 1151086), (40, 575543), (251, 91720), (502, 45860), (1004, 22930), (1255, 18344), (2008, 11465), (2293, 10040), (2510, 9172), (4586, 5020)]