20078530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1423}}^1$

素因数の和:1530

約数の個数: 32

約数和(自身を含む): 38755584

約数和(自身を除く): 18677054

約数列:

[1, 2, 5, 10, 17, 34, 83, 85, 166, 170, 415, 830, 1411, 1423, 2822, 2846, 7055, 7115, 14110, 14230, 24191, 48382, 118109, 120955, 236218, 241910, 590545, 1181090, 2007853, 4015706, 10039265, 20078530]

約数ペア:

[(1, 20078530), (2, 10039265), (5, 4015706), (10, 2007853), (17, 1181090), (34, 590545), (83, 241910), (85, 236218), (166, 120955), (170, 118109), (415, 48382), (830, 24191), (1411, 14230), (1423, 14110), (2822, 7115), (2846, 7055)]