20763770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1061}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 39761280

約数和(自身を除く): 18997510

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 1030, 1061, 1957, 2122, 3914, 5305, 9785, 10610, 19570, 20159, 40318, 100795, 109283, 201590, 218566, 546415, 1092830, 2076377, 4152754, 10381885, 20763770]

約数ペア:

[(1, 20763770), (2, 10381885), (5, 4152754), (10, 2076377), (19, 1092830), (38, 546415), (95, 218566), (103, 201590), (190, 109283), (206, 100795), (515, 40318), (1030, 20159), (1061, 19570), (1957, 10610), (2122, 9785), (3914, 5305)]