20369060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 25353820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 431, 556, 695, 862, 1390, 1724, 2155, 2363, 2780, 4310, 4726, 7327, 8620, 9452, 11815, 14654, 23630, 29308, 36635, 47260, 59909, 73270, 119818, 146540, 239636, 299545, 599090, 1018453, 1198180, 2036906, 4073812, 5092265, 10184530, 20369060]

約数ペア:

[(1, 20369060), (2, 10184530), (4, 5092265), (5, 4073812), (10, 2036906), (17, 1198180), (20, 1018453), (34, 599090), (68, 299545), (85, 239636), (139, 146540), (170, 119818), (278, 73270), (340, 59909), (431, 47260), (556, 36635), (695, 29308), (862, 23630), (1390, 14654), (1724, 11815), (2155, 9452), (2363, 8620), (2780, 7327), (4310, 4726)]