23713820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 54001920

約数和(自身を除く): 30288100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 409, 446, 818, 892, 1115, 1636, 2045, 2230, 2899, 4090, 4460, 5317, 5798, 8180, 10634, 11596, 14495, 21268, 26585, 28990, 53170, 57980, 91207, 106340, 182414, 364828, 456035, 912070, 1185691, 1824140, 2371382, 4742764, 5928455, 11856910, 23713820]

約数ペア:

[(1, 23713820), (2, 11856910), (4, 5928455), (5, 4742764), (10, 2371382), (13, 1824140), (20, 1185691), (26, 912070), (52, 456035), (65, 364828), (130, 182414), (223, 106340), (260, 91207), (409, 57980), (446, 53170), (818, 28990), (892, 26585), (1115, 21268), (1636, 14495), (2045, 11596), (2230, 10634), (2899, 8180), (4090, 5798), (4460, 5317)]