22687720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{51563}}^1$

素因数の和:51585

約数の個数: 32

約数和(自身を含む): 55689120

約数和(自身を除く): 33001400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 51563, 103126, 206252, 257815, 412504, 515630, 567193, 1031260, 1134386, 2062520, 2268772, 2835965, 4537544, 5671930, 11343860, 22687720]

約数ペア:

[(1, 22687720), (2, 11343860), (4, 5671930), (5, 4537544), (8, 2835965), (10, 2268772), (11, 2062520), (20, 1134386), (22, 1031260), (40, 567193), (44, 515630), (55, 412504), (88, 257815), (110, 206252), (220, 103126), (440, 51563)]