91720180

素因数分解:

$2^2\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{2953}}^1$

素因数の和:4515

約数の個数: 24

約数和(自身を含む): 192801672

約数和(自身を除く): 101081492

約数列:

[1, 2, 4, 5, 10, 20, 1553, 2953, 3106, 5906, 6212, 7765, 11812, 14765, 15530, 29530, 31060, 59060, 4586009, 9172018, 18344036, 22930045, 45860090, 91720180]

約数ペア:

[(1, 91720180), (2, 45860090), (4, 22930045), (5, 18344036), (10, 9172018), (20, 4586009), (1553, 59060), (2953, 31060), (3106, 29530), (5906, 15530), (6212, 14765), (7765, 11812)]