20222900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4703}}^1$

素因数の和:4760

約数の個数: 36

約数和(自身を含む): 44913792

約数和(自身を除く): 24690892

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 4703, 9406, 18812, 23515, 47030, 94060, 117575, 202229, 235150, 404458, 470300, 808916, 1011145, 2022290, 4044580, 5055725, 10111450, 20222900]

約数ペア:

[(1, 20222900), (2, 10111450), (4, 5055725), (5, 4044580), (10, 2022290), (20, 1011145), (25, 808916), (43, 470300), (50, 404458), (86, 235150), (100, 202229), (172, 117575), (215, 94060), (430, 47030), (860, 23515), (1075, 18812), (2150, 9406), (4300, 4703)]