20514510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2213}}^1$

素因数の和:2329

約数の個数: 48

約数和(自身を含む): 53879904

約数和(自身を除く): 33365394

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 103, 206, 309, 515, 618, 927, 1030, 1545, 1854, 2213, 3090, 4426, 4635, 6639, 9270, 11065, 13278, 19917, 22130, 33195, 39834, 66390, 99585, 199170, 227939, 455878, 683817, 1139695, 1367634, 2051451, 2279390, 3419085, 4102902, 6838170, 10257255, 20514510]

約数ペア:

[(1, 20514510), (2, 10257255), (3, 6838170), (5, 4102902), (6, 3419085), (9, 2279390), (10, 2051451), (15, 1367634), (18, 1139695), (30, 683817), (45, 455878), (90, 227939), (103, 199170), (206, 99585), (309, 66390), (515, 39834), (618, 33195), (927, 22130), (1030, 19917), (1545, 13278), (1854, 11065), (2213, 9270), (3090, 6639), (4426, 4635)]