20020890045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{415673}}^1$

素因数の和:415726

約数の個数: 48

約数和(自身を含む): 36512804160

約数和(自身を除く): 16491914115

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 169, 195, 247, 285, 507, 741, 845, 1235, 2535, 3211, 3705, 9633, 16055, 48165, 415673, 1247019, 2078365, 5403749, 6235095, 7897787, 16211247, 23693361, 27018745, 39488935, 70248737, 81056235, 102671231, 118466805, 210746211, 308013693, 351243685, 513356155, 1053731055, 1334726003, 1540068465, 4004178009, 6673630015, 20020890045]

約数ペア:

[(1, 20020890045), (3, 6673630015), (5, 4004178009), (13, 1540068465), (15, 1334726003), (19, 1053731055), (39, 513356155), (57, 351243685), (65, 308013693), (95, 210746211), (169, 118466805), (195, 102671231), (247, 81056235), (285, 70248737), (507, 39488935), (741, 27018745), (845, 23693361), (1235, 16211247), (2535, 7897787), (3211, 6235095), (3705, 5403749), (9633, 2078365), (16055, 1247019), (48165, 415673)]