20329862

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 36341760

約数和(自身を除く): 16011898

約数列:

[1, 2, 7, 14, 31, 62, 139, 217, 278, 337, 434, 674, 973, 1946, 2359, 4309, 4718, 8618, 10447, 20894, 30163, 46843, 60326, 73129, 93686, 146258, 327901, 655802, 1452133, 2904266, 10164931, 20329862]

約数ペア:

[(1, 20329862), (2, 10164931), (7, 2904266), (14, 1452133), (31, 655802), (62, 327901), (139, 146258), (217, 93686), (278, 73129), (337, 60326), (434, 46843), (674, 30163), (973, 20894), (1946, 10447), (2359, 8618), (4309, 4718)]