20349280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18169}}^1$

素因数の和:18191

約数の個数: 48

約数和(自身を含む): 54946080

約数和(自身を除く): 34596800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18169, 36338, 72676, 90845, 127183, 145352, 181690, 254366, 290704, 363380, 508732, 581408, 635915, 726760, 1017464, 1271830, 1453520, 2034928, 2543660, 2907040, 4069856, 5087320, 10174640, 20349280]

約数ペア:

[(1, 20349280), (2, 10174640), (4, 5087320), (5, 4069856), (7, 2907040), (8, 2543660), (10, 2034928), (14, 1453520), (16, 1271830), (20, 1017464), (28, 726760), (32, 635915), (35, 581408), (40, 508732), (56, 363380), (70, 290704), (80, 254366), (112, 181690), (140, 145352), (160, 127183), (224, 90845), (280, 72676), (560, 36338), (1120, 18169)]