20348465680

素因数分解:

$2^4\times 5^1\times {\mathrm{601}}^1\times {\mathrm{423221}}^1$

素因数の和:423835

約数の個数: 40

約数和(自身を含む): 47389013784

約数和(自身を除く): 27040548104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 601, 1202, 2404, 3005, 4808, 6010, 9616, 12020, 24040, 48080, 423221, 846442, 1692884, 2116105, 3385768, 4232210, 6771536, 8464420, 16928840, 33857680, 254355821, 508711642, 1017423284, 1271779105, 2034846568, 2543558210, 4069693136, 5087116420, 10174232840, 20348465680]

約数ペア:

[(1, 20348465680), (2, 10174232840), (4, 5087116420), (5, 4069693136), (8, 2543558210), (10, 2034846568), (16, 1271779105), (20, 1017423284), (40, 508711642), (80, 254355821), (601, 33857680), (1202, 16928840), (2404, 8464420), (3005, 6771536), (4808, 4232210), (6010, 3385768), (9616, 2116105), (12020, 1692884), (24040, 846442), (48080, 423221)]