20256840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56269}}^1$

素因数の和:56286

約数の個数: 48

約数和(自身を含む): 65835900

約数和(自身を除く): 45579060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56269, 112538, 168807, 225076, 281345, 337614, 450152, 506421, 562690, 675228, 844035, 1012842, 1125380, 1350456, 1688070, 2025684, 2250760, 2532105, 3376140, 4051368, 5064210, 6752280, 10128420, 20256840]

約数ペア:

[(1, 20256840), (2, 10128420), (3, 6752280), (4, 5064210), (5, 4051368), (6, 3376140), (8, 2532105), (9, 2250760), (10, 2025684), (12, 1688070), (15, 1350456), (18, 1125380), (20, 1012842), (24, 844035), (30, 675228), (36, 562690), (40, 506421), (45, 450152), (60, 337614), (72, 281345), (90, 225076), (120, 168807), (180, 112538), (360, 56269)]