20126175

素因数分解:

$3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{1801}}^1$

素因数の和:1963

約数の個数: 24

約数和(自身を含む): 33517200

約数和(自身を除く): 13391025

約数列:

[1, 3, 5, 15, 25, 75, 149, 447, 745, 1801, 2235, 3725, 5403, 9005, 11175, 27015, 45025, 135075, 268349, 805047, 1341745, 4025235, 6708725, 20126175]

約数ペア:

[(1, 20126175), (3, 6708725), (5, 4025235), (15, 1341745), (25, 805047), (75, 268349), (149, 135075), (447, 45025), (745, 27015), (1801, 11175), (2235, 9005), (3725, 5403)]