20666736

素因数分解:

$2^4\times 3^2\times {\mathrm{143519}}^1$

素因数の和:143533

約数の個数: 30

約数和(自身を含む): 57838560

約数和(自身を除く): 37171824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 143519, 287038, 430557, 574076, 861114, 1148152, 1291671, 1722228, 2296304, 2583342, 3444456, 5166684, 6888912, 10333368, 20666736]

約数ペア:

[(1, 20666736), (2, 10333368), (3, 6888912), (4, 5166684), (6, 3444456), (8, 2583342), (9, 2296304), (12, 1722228), (16, 1291671), (18, 1148152), (24, 861114), (36, 574076), (48, 430557), (72, 287038), (144, 143519)]