20221497985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{31051}}^1$

素因数の和:31345

約数の個数: 32

約数和(自身を含む): 26855756928

約数和(自身を除く): 6634258943

約数列:

[1, 5, 13, 43, 65, 215, 233, 559, 1165, 2795, 3029, 10019, 15145, 31051, 50095, 130247, 155255, 403663, 651235, 1335193, 2018315, 6675965, 7234883, 17357509, 36174415, 86787545, 94053479, 311099969, 470267395, 1555499845, 4044299597, 20221497985]

約数ペア:

[(1, 20221497985), (5, 4044299597), (13, 1555499845), (43, 470267395), (65, 311099969), (215, 94053479), (233, 86787545), (559, 36174415), (1165, 17357509), (2795, 7234883), (3029, 6675965), (10019, 2018315), (15145, 1335193), (31051, 651235), (50095, 403663), (130247, 155255)]