20171049620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{793511}}^1$

素因数の和:793592

約数の個数: 48

約数和(自身を含む): 44792165376

約数和(自身を除く): 24621115756

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 5084, 6355, 12710, 25420, 793511, 1587022, 3174044, 3967555, 7935110, 15870220, 24598841, 32533951, 49197682, 65067902, 98395364, 122994205, 130135804, 162669755, 245988410, 325339510, 491976820, 650679020, 1008552481, 2017104962, 4034209924, 5042762405, 10085524810, 20171049620]

約数ペア:

[(1, 20171049620), (2, 10085524810), (4, 5042762405), (5, 4034209924), (10, 2017104962), (20, 1008552481), (31, 650679020), (41, 491976820), (62, 325339510), (82, 245988410), (124, 162669755), (155, 130135804), (164, 122994205), (205, 98395364), (310, 65067902), (410, 49197682), (620, 32533951), (820, 24598841), (1271, 15870220), (2542, 7935110), (5084, 3967555), (6355, 3174044), (12710, 1587022), (25420, 793511)]