20185546576

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{69767}}^1$

素因数の和:69908

約数の個数: 60

約数和(自身を含む): 42745737312

約数和(自身を除く): 22560190736

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 107, 169, 208, 214, 338, 428, 676, 856, 1352, 1391, 1712, 2704, 2782, 5564, 11128, 18083, 22256, 36166, 69767, 72332, 139534, 144664, 279068, 289328, 558136, 906971, 1116272, 1813942, 3627884, 7255768, 7465069, 11790623, 14511536, 14930138, 23581246, 29860276, 47162492, 59720552, 94324984, 97045897, 119441104, 188649968, 194091794, 388183588, 776367176, 1261596661, 1552734352, 2523193322, 5046386644, 10092773288, 20185546576]

約数ペア:

[(1, 20185546576), (2, 10092773288), (4, 5046386644), (8, 2523193322), (13, 1552734352), (16, 1261596661), (26, 776367176), (52, 388183588), (104, 194091794), (107, 188649968), (169, 119441104), (208, 97045897), (214, 94324984), (338, 59720552), (428, 47162492), (676, 29860276), (856, 23581246), (1352, 14930138), (1391, 14511536), (1712, 11790623), (2704, 7465069), (2782, 7255768), (5564, 3627884), (11128, 1813942), (18083, 1116272), (22256, 906971), (36166, 558136), (69767, 289328), (72332, 279068), (139534, 144664)]