20310440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17509}}^1$

素因数の和:17549

約数の個数: 32

約数和(自身を含む): 47277000

約数和(自身を除く): 26966560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 17509, 35018, 70036, 87545, 140072, 175090, 350180, 507761, 700360, 1015522, 2031044, 2538805, 4062088, 5077610, 10155220, 20310440]

約数ペア:

[(1, 20310440), (2, 10155220), (4, 5077610), (5, 4062088), (8, 2538805), (10, 2031044), (20, 1015522), (29, 700360), (40, 507761), (58, 350180), (116, 175090), (145, 140072), (232, 87545), (290, 70036), (580, 35018), (1160, 17509)]