20198235

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 34341120

約数和(自身を除く): 14142885

約数列:

[1, 3, 5, 15, 19, 57, 95, 131, 285, 393, 541, 655, 1623, 1965, 2489, 2705, 7467, 8115, 10279, 12445, 30837, 37335, 51395, 70871, 154185, 212613, 354355, 1063065, 1346549, 4039647, 6732745, 20198235]

約数ペア:

[(1, 20198235), (3, 6732745), (5, 4039647), (15, 1346549), (19, 1063065), (57, 354355), (95, 212613), (131, 154185), (285, 70871), (393, 51395), (541, 37335), (655, 30837), (1623, 12445), (1965, 10279), (2489, 8115), (2705, 7467)]