20325770

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 38085120

約数和(自身を除く): 17759350

約数列:

[1, 2, 5, 10, 31, 62, 155, 173, 310, 346, 379, 758, 865, 1730, 1895, 3790, 5363, 10726, 11749, 23498, 26815, 53630, 58745, 65567, 117490, 131134, 327835, 655670, 2032577, 4065154, 10162885, 20325770]

約数ペア:

[(1, 20325770), (2, 10162885), (5, 4065154), (10, 2032577), (31, 655670), (62, 327835), (155, 131134), (173, 117490), (310, 65567), (346, 58745), (379, 53630), (758, 26815), (865, 23498), (1730, 11749), (1895, 10726), (3790, 5363)]