20187600237

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^2\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 34092324864

約数和(自身を除く): 13904724627

約数列:

[1, 3, 7, 9, 21, 63, 73, 157, 219, 383, 471, 511, 657, 1099, 1149, 1413, 1533, 2681, 3297, 3447, 4599, 5329, 8043, 9891, 11461, 15987, 24129, 27959, 34383, 37303, 47961, 60131, 80227, 83877, 103149, 111909, 180393, 195713, 240681, 251631, 335727, 420917, 541179, 587139, 722043, 836653, 1262751, 1761417, 2041007, 2509959, 3788253, 4389563, 5856571, 6123021, 7529877, 13168689, 14287049, 17569713, 18369063, 30726941, 39506067, 42861147, 52709139, 92180823, 128583441, 276542469, 320438099, 961314297, 2243066693, 2883942891, 6729200079, 20187600237]

約数ペア:

[(1, 20187600237), (3, 6729200079), (7, 2883942891), (9, 2243066693), (21, 961314297), (63, 320438099), (73, 276542469), (157, 128583441), (219, 92180823), (383, 52709139), (471, 42861147), (511, 39506067), (657, 30726941), (1099, 18369063), (1149, 17569713), (1413, 14287049), (1533, 13168689), (2681, 7529877), (3297, 6123021), (3447, 5856571), (4599, 4389563), (5329, 3788253), (8043, 2509959), (9891, 2041007), (11461, 1761417), (15987, 1262751), (24129, 836653), (27959, 722043), (34383, 587139), (37303, 541179), (47961, 420917), (60131, 335727), (80227, 251631), (83877, 240681), (103149, 195713), (111909, 180393)]