22123420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{443}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 51020928

約数和(自身を除く): 28897508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 227, 443, 454, 886, 908, 1135, 1772, 2215, 2270, 2497, 4430, 4540, 4873, 4994, 8860, 9746, 9988, 12485, 19492, 24365, 24970, 48730, 49940, 97460, 100561, 201122, 402244, 502805, 1005610, 1106171, 2011220, 2212342, 4424684, 5530855, 11061710, 22123420]

約数ペア:

[(1, 22123420), (2, 11061710), (4, 5530855), (5, 4424684), (10, 2212342), (11, 2011220), (20, 1106171), (22, 1005610), (44, 502805), (55, 402244), (110, 201122), (220, 100561), (227, 97460), (443, 49940), (454, 48730), (886, 24970), (908, 24365), (1135, 19492), (1772, 12485), (2215, 9988), (2270, 9746), (2497, 8860), (4430, 4994), (4540, 4873)]