13660520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20089}}^1$

素因数の和:20117

約数の個数: 32

約数和(自身を含む): 32545800

約数和(自身を除く): 18885280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 20089, 40178, 80356, 100445, 160712, 200890, 341513, 401780, 683026, 803560, 1366052, 1707565, 2732104, 3415130, 6830260, 13660520]

約数ペア:

[(1, 13660520), (2, 6830260), (4, 3415130), (5, 2732104), (8, 1707565), (10, 1366052), (17, 803560), (20, 683026), (34, 401780), (40, 341513), (68, 200890), (85, 160712), (136, 100445), (170, 80356), (340, 40178), (680, 20089)]