20798675

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 27236352

約数和(自身を除く): 6437677

約数列:

[1, 5, 25, 31, 47, 155, 235, 571, 775, 1175, 1457, 2855, 7285, 14275, 17701, 26837, 36425, 88505, 134185, 442525, 670925, 831947, 4159735, 20798675]

約数ペア:

[(1, 20798675), (5, 4159735), (25, 831947), (31, 670925), (47, 442525), (155, 134185), (235, 88505), (571, 36425), (775, 26837), (1175, 17701), (1457, 14275), (2855, 7285)]