20911386480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87130777}}^1$

素因数の和:87130793

約数の個数: 40

約数和(自身を含む): 64825298832

約数和(自身を除く): 43913912352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87130777, 174261554, 261392331, 348523108, 435653885, 522784662, 697046216, 871307770, 1045569324, 1306961655, 1394092432, 1742615540, 2091138648, 2613923310, 3485231080, 4182277296, 5227846620, 6970462160, 10455693240, 20911386480]

約数ペア:

[(1, 20911386480), (2, 10455693240), (3, 6970462160), (4, 5227846620), (5, 4182277296), (6, 3485231080), (8, 2613923310), (10, 2091138648), (12, 1742615540), (15, 1394092432), (16, 1306961655), (20, 1045569324), (24, 871307770), (30, 697046216), (40, 522784662), (48, 435653885), (60, 348523108), (80, 261392331), (120, 174261554), (240, 87130777)]