20143490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17596030

約数列:

[1, 2, 5, 10, 31, 62, 155, 181, 310, 359, 362, 718, 905, 1795, 1810, 3590, 5611, 11129, 11222, 22258, 28055, 55645, 56110, 64979, 111290, 129958, 324895, 649790, 2014349, 4028698, 10071745, 20143490]

約数ペア:

[(1, 20143490), (2, 10071745), (5, 4028698), (10, 2014349), (31, 649790), (62, 324895), (155, 129958), (181, 111290), (310, 64979), (359, 56110), (362, 55645), (718, 28055), (905, 22258), (1795, 11222), (1810, 11129), (3590, 5611)]