20191665

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6091}}^1$

素因数の和:6129

約数の個数: 32

約数和(自身を含む): 36844416

約数和(自身を除く): 16652751

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 6091, 18273, 30455, 79183, 91365, 103547, 237549, 310641, 395915, 517735, 1187745, 1346111, 1553205, 4038333, 6730555, 20191665]

約数ペア:

[(1, 20191665), (3, 6730555), (5, 4038333), (13, 1553205), (15, 1346111), (17, 1187745), (39, 517735), (51, 395915), (65, 310641), (85, 237549), (195, 103547), (221, 91365), (255, 79183), (663, 30455), (1105, 18273), (3315, 6091)]