20910160

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{9013}}^1$

素因数の和:9055

約数の個数: 40

約数和(自身を含む): 50298120

約数和(自身を除く): 29387960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 9013, 18026, 36052, 45065, 72104, 90130, 144208, 180260, 261377, 360520, 522754, 721040, 1045508, 1306885, 2091016, 2613770, 4182032, 5227540, 10455080, 20910160]

約数ペア:

[(1, 20910160), (2, 10455080), (4, 5227540), (5, 4182032), (8, 2613770), (10, 2091016), (16, 1306885), (20, 1045508), (29, 721040), (40, 522754), (58, 360520), (80, 261377), (116, 180260), (145, 144208), (232, 90130), (290, 72104), (464, 45065), (580, 36052), (1160, 18026), (2320, 9013)]