20784990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1061}}^1$

素因数の和:1724

約数の個数: 32

約数和(自身を含む): 50007456

約数和(自身を除く): 29222466

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 653, 1061, 1306, 1959, 2122, 3183, 3265, 3918, 5305, 6366, 6530, 9795, 10610, 15915, 19590, 31830, 692833, 1385666, 2078499, 3464165, 4156998, 6928330, 10392495, 20784990]

約数ペア:

[(1, 20784990), (2, 10392495), (3, 6928330), (5, 4156998), (6, 3464165), (10, 2078499), (15, 1385666), (30, 692833), (653, 31830), (1061, 19590), (1306, 15915), (1959, 10610), (2122, 9795), (3183, 6530), (3265, 6366), (3918, 5305)]