20085117

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 10558083

約数列:

[1, 3, 13, 31, 37, 39, 93, 111, 403, 449, 481, 1147, 1209, 1347, 1443, 3441, 5837, 13919, 14911, 16613, 17511, 41757, 44733, 49839, 180947, 215969, 515003, 542841, 647907, 1545009, 6695039, 20085117]

約数ペア:

[(1, 20085117), (3, 6695039), (13, 1545009), (31, 647907), (37, 542841), (39, 515003), (93, 215969), (111, 180947), (403, 49839), (449, 44733), (481, 41757), (1147, 17511), (1209, 16613), (1347, 14911), (1443, 13919), (3441, 5837)]