20273875

素因数分解:

$5^3\times {\mathrm{59}}^1\times {\mathrm{2749}}^1$

素因数の和:2823

約数の個数: 16

約数和(自身を含む): 25740000

約数和(自身を除く): 5466125

約数列:

[1, 5, 25, 59, 125, 295, 1475, 2749, 7375, 13745, 68725, 162191, 343625, 810955, 4054775, 20273875]

約数ペア:

[(1, 20273875), (5, 4054775), (25, 810955), (59, 343625), (125, 162191), (295, 68725), (1475, 13745), (2749, 7375)]