20851804233

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{121321}}^1$

素因数の和:121466

約数の個数: 36

約数和(自身を含む): 32903254332

約数和(自身を除く): 12051450099

約数列:

[1, 3, 9, 13, 39, 113, 117, 169, 339, 507, 1017, 1469, 1521, 4407, 13221, 19097, 57291, 121321, 171873, 363963, 1091889, 1577173, 4731519, 13709273, 14194557, 20503249, 41127819, 61509747, 123383457, 178220549, 184529241, 534661647, 1603984941, 2316867137, 6950601411, 20851804233]

約数ペア:

[(1, 20851804233), (3, 6950601411), (9, 2316867137), (13, 1603984941), (39, 534661647), (113, 184529241), (117, 178220549), (169, 123383457), (339, 61509747), (507, 41127819), (1017, 20503249), (1469, 14194557), (1521, 13709273), (4407, 4731519), (13221, 1577173), (19097, 1091889), (57291, 363963), (121321, 171873)]