20376560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8783}}^1$

素因数の和:8825

約数の個数: 40

約数和(自身を含む): 49014720

約数和(自身を除く): 28638160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8783, 17566, 35132, 43915, 70264, 87830, 140528, 175660, 254707, 351320, 509414, 702640, 1018828, 1273535, 2037656, 2547070, 4075312, 5094140, 10188280, 20376560]

約数ペア:

[(1, 20376560), (2, 10188280), (4, 5094140), (5, 4075312), (8, 2547070), (10, 2037656), (16, 1273535), (20, 1018828), (29, 702640), (40, 509414), (58, 351320), (80, 254707), (116, 175660), (145, 140528), (232, 87830), (290, 70264), (464, 43915), (580, 35132), (1160, 17566), (2320, 8783)]