222003020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{81023}}^1$

素因数の和:81169

約数の個数: 24

約数和(自身を含む): 469615104

約数和(自身を除く): 247612084

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 81023, 162046, 324092, 405115, 810230, 1620460, 11100151, 22200302, 44400604, 55500755, 111001510, 222003020]

約数ペア:

[(1, 222003020), (2, 111001510), (4, 55500755), (5, 44400604), (10, 22200302), (20, 11100151), (137, 1620460), (274, 810230), (548, 405115), (685, 324092), (1370, 162046), (2740, 81023)]