20621820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11087}}^1$

素因数の和:11130

約数の個数: 48

約数和(自身を含む): 59609088

約数和(自身を除く): 38987268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11087, 22174, 33261, 44348, 55435, 66522, 110870, 133044, 166305, 221740, 332610, 343697, 665220, 687394, 1031091, 1374788, 1718485, 2062182, 3436970, 4124364, 5155455, 6873940, 10310910, 20621820]

約数ペア:

[(1, 20621820), (2, 10310910), (3, 6873940), (4, 5155455), (5, 4124364), (6, 3436970), (10, 2062182), (12, 1718485), (15, 1374788), (20, 1031091), (30, 687394), (31, 665220), (60, 343697), (62, 332610), (93, 221740), (124, 166305), (155, 133044), (186, 110870), (310, 66522), (372, 55435), (465, 44348), (620, 33261), (930, 22174), (1860, 11087)]