20440120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{30059}}^1$

素因数の和:30087

約数の個数: 32

約数和(自身を含む): 48697200

約数和(自身を除く): 28257080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 30059, 60118, 120236, 150295, 240472, 300590, 511003, 601180, 1022006, 1202360, 2044012, 2555015, 4088024, 5110030, 10220060, 20440120]

約数ペア:

[(1, 20440120), (2, 10220060), (4, 5110030), (5, 4088024), (8, 2555015), (10, 2044012), (17, 1202360), (20, 1022006), (34, 601180), (40, 511003), (68, 300590), (85, 240472), (136, 150295), (170, 120236), (340, 60118), (680, 30059)]