206494420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{938611}}^1$

素因数の和:938631

約数の個数: 24

約数和(自身を含む): 473060448

約数和(自身を除く): 266566028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 938611, 1877222, 3754444, 4693055, 9386110, 10324721, 18772220, 20649442, 41298884, 51623605, 103247210, 206494420]

約数ペア:

[(1, 206494420), (2, 103247210), (4, 51623605), (5, 41298884), (10, 20649442), (11, 18772220), (20, 10324721), (22, 9386110), (44, 4693055), (55, 3754444), (110, 1877222), (220, 938611)]