20800630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1319}}^1$

素因数の和:1428

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19116170

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1319, 1577, 2638, 3154, 6595, 7885, 13190, 15770, 25061, 50122, 109477, 125305, 218954, 250610, 547385, 1094770, 2080063, 4160126, 10400315, 20800630]

約数ペア:

[(1, 20800630), (2, 10400315), (5, 4160126), (10, 2080063), (19, 1094770), (38, 547385), (83, 250610), (95, 218954), (166, 125305), (190, 109477), (415, 50122), (830, 25061), (1319, 15770), (1577, 13190), (2638, 7885), (3154, 6595)]