20574218

素因数分解:

$2^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{1409}}^1$

素因数の和:1574

約数の個数: 24

約数和(自身を含む): 36166500

約数和(自身を除く): 15592282

約数列:

[1, 2, 7, 14, 49, 98, 149, 298, 1043, 1409, 2086, 2818, 7301, 9863, 14602, 19726, 69041, 138082, 209941, 419882, 1469587, 2939174, 10287109, 20574218]

約数ペア:

[(1, 20574218), (2, 10287109), (7, 2939174), (14, 1469587), (49, 419882), (98, 209941), (149, 138082), (298, 69041), (1043, 19726), (1409, 14602), (2086, 9863), (2818, 7301)]