20307250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{2801}}^1$

素因数の和:2847

約数の個数: 32

約数和(自身を含む): 39340080

約数和(自身を除く): 19032830

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 725, 1450, 2801, 3625, 5602, 7250, 14005, 28010, 70025, 81229, 140050, 162458, 350125, 406145, 700250, 812290, 2030725, 4061450, 10153625, 20307250]

約数ペア:

[(1, 20307250), (2, 10153625), (5, 4061450), (10, 2030725), (25, 812290), (29, 700250), (50, 406145), (58, 350125), (125, 162458), (145, 140050), (250, 81229), (290, 70025), (725, 28010), (1450, 14005), (2801, 7250), (3625, 5602)]