20551450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13259}}^1$

素因数の和:13302

約数の個数: 24

約数和(自身を含む): 39461760

約数和(自身を除く): 18910310

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 13259, 26518, 66295, 132590, 331475, 411029, 662950, 822058, 2055145, 4110290, 10275725, 20551450]

約数ペア:

[(1, 20551450), (2, 10275725), (5, 4110290), (10, 2055145), (25, 822058), (31, 662950), (50, 411029), (62, 331475), (155, 132590), (310, 66295), (775, 26518), (1550, 13259)]