2021168140

素因数分解:

$2^2\times 5^1\times {\mathrm{2797}}^1\times {\mathrm{36131}}^1$

素因数の和:38937

約数の個数: 24

約数和(自身を含む): 4246088112

約数和(自身を除く): 2224919972

約数列:

[1, 2, 4, 5, 10, 20, 2797, 5594, 11188, 13985, 27970, 36131, 55940, 72262, 144524, 180655, 361310, 722620, 101058407, 202116814, 404233628, 505292035, 1010584070, 2021168140]

約数ペア:

[(1, 2021168140), (2, 1010584070), (4, 505292035), (5, 404233628), (10, 202116814), (20, 101058407), (2797, 722620), (5594, 361310), (11188, 180655), (13985, 144524), (27970, 72262), (36131, 55940)]