20455427085

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{466859}}^1$

素因数の和:467017

約数の個数: 32

約数和(自身を含む): 34420654080

約数和(自身を除く): 13965226995

約数列:

[1, 3, 5, 15, 23, 69, 115, 127, 345, 381, 635, 1905, 2921, 8763, 14605, 43815, 466859, 1400577, 2334295, 7002885, 10737757, 32213271, 53688785, 59291093, 161066355, 177873279, 296455465, 889366395, 1363695139, 4091085417, 6818475695, 20455427085]

約数ペア:

[(1, 20455427085), (3, 6818475695), (5, 4091085417), (15, 1363695139), (23, 889366395), (69, 296455465), (115, 177873279), (127, 161066355), (345, 59291093), (381, 53688785), (635, 32213271), (1905, 10737757), (2921, 7002885), (8763, 2334295), (14605, 1400577), (43815, 466859)]