20156333890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{131543}}^1$

素因数の和:131767

約数の個数: 64

約数和(自身を含む): 45461606400

約数和(自身を除く): 25305272510

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 199, 385, 398, 770, 995, 1393, 1990, 2189, 2786, 4378, 6965, 10945, 13930, 15323, 21890, 30646, 76615, 131543, 153230, 263086, 657715, 920801, 1315430, 1446973, 1841602, 2893946, 4604005, 7234865, 9208010, 10128811, 14469730, 20257622, 26177057, 50644055, 52354114, 101288110, 130885285, 183239399, 261770570, 287947627, 366478798, 575895254, 916196995, 1439738135, 1832393990, 2015633389, 2879476270, 4031266778, 10078166945, 20156333890]

約数ペア:

[(1, 20156333890), (2, 10078166945), (5, 4031266778), (7, 2879476270), (10, 2015633389), (11, 1832393990), (14, 1439738135), (22, 916196995), (35, 575895254), (55, 366478798), (70, 287947627), (77, 261770570), (110, 183239399), (154, 130885285), (199, 101288110), (385, 52354114), (398, 50644055), (770, 26177057), (995, 20257622), (1393, 14469730), (1990, 10128811), (2189, 9208010), (2786, 7234865), (4378, 4604005), (6965, 2893946), (10945, 1841602), (13930, 1446973), (15323, 1315430), (21890, 920801), (30646, 657715), (76615, 263086), (131543, 153230)]