20985060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{953}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 58980096

約数和(自身を除く): 37995036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 367, 734, 953, 1101, 1468, 1835, 1906, 2202, 2859, 3670, 3812, 4404, 4765, 5505, 5718, 7340, 9530, 11010, 11436, 14295, 19060, 22020, 28590, 57180, 349751, 699502, 1049253, 1399004, 1748755, 2098506, 3497510, 4197012, 5246265, 6995020, 10492530, 20985060]

約数ペア:

[(1, 20985060), (2, 10492530), (3, 6995020), (4, 5246265), (5, 4197012), (6, 3497510), (10, 2098506), (12, 1748755), (15, 1399004), (20, 1049253), (30, 699502), (60, 349751), (367, 57180), (734, 28590), (953, 22020), (1101, 19060), (1468, 14295), (1835, 11436), (1906, 11010), (2202, 9530), (2859, 7340), (3670, 5718), (3812, 5505), (4404, 4765)]