20937660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2311}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 59039232

約数和(自身を除く): 38101572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 302, 453, 604, 755, 906, 1510, 1812, 2265, 2311, 3020, 4530, 4622, 6933, 9060, 9244, 11555, 13866, 23110, 27732, 34665, 46220, 69330, 138660, 348961, 697922, 1046883, 1395844, 1744805, 2093766, 3489610, 4187532, 5234415, 6979220, 10468830, 20937660]

約数ペア:

[(1, 20937660), (2, 10468830), (3, 6979220), (4, 5234415), (5, 4187532), (6, 3489610), (10, 2093766), (12, 1744805), (15, 1395844), (20, 1046883), (30, 697922), (60, 348961), (151, 138660), (302, 69330), (453, 46220), (604, 34665), (755, 27732), (906, 23110), (1510, 13866), (1812, 11555), (2265, 9244), (2311, 9060), (3020, 6933), (4530, 4622)]