20115666475

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{443}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 25667107200

約数和(自身を除く): 5551440725

約数列:

[1, 5, 25, 73, 139, 179, 365, 443, 695, 895, 1825, 2215, 3475, 4475, 10147, 11075, 13067, 24881, 32339, 50735, 61577, 65335, 79297, 124405, 161695, 253675, 307885, 326675, 396485, 622025, 808475, 1539425, 1816313, 1982425, 4495121, 5788681, 9081565, 11022283, 22475605, 28943405, 45407825, 55111415, 112378025, 144717025, 275557075, 804626659, 4023133295, 20115666475]

約数ペア:

[(1, 20115666475), (5, 4023133295), (25, 804626659), (73, 275557075), (139, 144717025), (179, 112378025), (365, 55111415), (443, 45407825), (695, 28943405), (895, 22475605), (1825, 11022283), (2215, 9081565), (3475, 5788681), (4475, 4495121), (10147, 1982425), (11075, 1816313), (13067, 1539425), (24881, 808475), (32339, 622025), (50735, 396485), (61577, 326675), (65335, 307885), (79297, 253675), (124405, 161695)]