20664900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{22961}}^1$

素因数の和:22981

約数の個数: 54

約数和(自身を含む): 64775802

約数和(自身を除く): 44110902

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 22961, 45922, 68883, 91844, 114805, 137766, 206649, 229610, 275532, 344415, 413298, 459220, 574025, 688830, 826596, 1033245, 1148050, 1377660, 1722075, 2066490, 2296100, 3444150, 4132980, 5166225, 6888300, 10332450, 20664900]

約数ペア:

[(1, 20664900), (2, 10332450), (3, 6888300), (4, 5166225), (5, 4132980), (6, 3444150), (9, 2296100), (10, 2066490), (12, 1722075), (15, 1377660), (18, 1148050), (20, 1033245), (25, 826596), (30, 688830), (36, 574025), (45, 459220), (50, 413298), (60, 344415), (75, 275532), (90, 229610), (100, 206649), (150, 137766), (180, 114805), (225, 91844), (300, 68883), (450, 45922), (900, 22961)]