20512305736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{10789}}^1$

素因数の和:11090

約数の個数: 64

約数和(自身を含む): 42064167600

約数和(自身を除く): 21551861864

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 181, 202, 362, 404, 724, 808, 1313, 1448, 2353, 2626, 4706, 5252, 9412, 10504, 10789, 18281, 18824, 21578, 36562, 43156, 73124, 86312, 140257, 146248, 237653, 280514, 475306, 561028, 950612, 1089689, 1122056, 1901224, 1952809, 2179378, 3905618, 4358756, 7811236, 8717512, 14165957, 15622472, 25386517, 28331914, 50773034, 56663828, 101546068, 113327656, 197233709, 203092136, 394467418, 788934836, 1577869672, 2564038217, 5128076434, 10256152868, 20512305736]

約数ペア:

[(1, 20512305736), (2, 10256152868), (4, 5128076434), (8, 2564038217), (13, 1577869672), (26, 788934836), (52, 394467418), (101, 203092136), (104, 197233709), (181, 113327656), (202, 101546068), (362, 56663828), (404, 50773034), (724, 28331914), (808, 25386517), (1313, 15622472), (1448, 14165957), (2353, 8717512), (2626, 7811236), (4706, 4358756), (5252, 3905618), (9412, 2179378), (10504, 1952809), (10789, 1901224), (18281, 1122056), (18824, 1089689), (21578, 950612), (36562, 561028), (43156, 475306), (73124, 280514), (86312, 237653), (140257, 146248)]