20679780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31333}}^1$

素因数の和:31356

約数の個数: 48

約数和(自身を含む): 63169344

約数和(自身を除く): 42489564

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31333, 62666, 93999, 125332, 156665, 187998, 313330, 344663, 375996, 469995, 626660, 689326, 939990, 1033989, 1378652, 1723315, 1879980, 2067978, 3446630, 4135956, 5169945, 6893260, 10339890, 20679780]

約数ペア:

[(1, 20679780), (2, 10339890), (3, 6893260), (4, 5169945), (5, 4135956), (6, 3446630), (10, 2067978), (11, 1879980), (12, 1723315), (15, 1378652), (20, 1033989), (22, 939990), (30, 689326), (33, 626660), (44, 469995), (55, 375996), (60, 344663), (66, 313330), (110, 187998), (132, 156665), (165, 125332), (220, 93999), (330, 62666), (660, 31333)]