20562218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 34387200

約数和(自身を除く): 13824982

約数列:

[1, 2, 19, 29, 38, 47, 58, 94, 397, 551, 794, 893, 1102, 1363, 1786, 2726, 7543, 11513, 15086, 18659, 23026, 25897, 37318, 51794, 218747, 354521, 437494, 541111, 709042, 1082222, 10281109, 20562218]

約数ペア:

[(1, 20562218), (2, 10281109), (19, 1082222), (29, 709042), (38, 541111), (47, 437494), (58, 354521), (94, 218747), (397, 51794), (551, 37318), (794, 25897), (893, 23026), (1102, 18659), (1363, 15086), (1786, 11513), (2726, 7543)]