20350550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 41729472

約数和(自身を除く): 21378922

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 163, 227, 275, 326, 454, 550, 815, 1135, 1630, 1793, 2270, 2497, 3586, 4075, 4994, 5675, 8150, 8965, 11350, 12485, 17930, 24970, 37001, 44825, 62425, 74002, 89650, 124850, 185005, 370010, 407011, 814022, 925025, 1850050, 2035055, 4070110, 10175275, 20350550]

約数ペア:

[(1, 20350550), (2, 10175275), (5, 4070110), (10, 2035055), (11, 1850050), (22, 925025), (25, 814022), (50, 407011), (55, 370010), (110, 185005), (163, 124850), (227, 89650), (275, 74002), (326, 62425), (454, 44825), (550, 37001), (815, 24970), (1135, 17930), (1630, 12485), (1793, 11350), (2270, 8965), (2497, 8150), (3586, 5675), (4075, 4994)]