20196978

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 41455680

約数和(自身を除く): 21258702

約数列:

[1, 2, 3, 6, 61, 122, 139, 183, 278, 366, 397, 417, 794, 834, 1191, 2382, 8479, 16958, 24217, 25437, 48434, 50874, 55183, 72651, 110366, 145302, 165549, 331098, 3366163, 6732326, 10098489, 20196978]

約数ペア:

[(1, 20196978), (2, 10098489), (3, 6732326), (6, 3366163), (61, 331098), (122, 165549), (139, 145302), (183, 110366), (278, 72651), (366, 55183), (397, 50874), (417, 48434), (794, 25437), (834, 24217), (1191, 16958), (2382, 8479)]