20196919078

素因数分解:

$2^1\times 7^4\times {\mathrm{1789}}^1\times {\mathrm{2351}}^1$

素因数の和:4170

約数の個数: 40

約数和(自身を含む): 35377302240

約数和(自身を除く): 15180383162

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 1789, 2351, 2401, 3578, 4702, 4802, 12523, 16457, 25046, 32914, 87661, 115199, 175322, 230398, 613627, 806393, 1227254, 1612786, 4205939, 4295389, 5644751, 8411878, 8590778, 11289502, 29441573, 58883146, 206091011, 412182022, 1442637077, 2885274154, 10098459539, 20196919078]

約数ペア:

[(1, 20196919078), (2, 10098459539), (7, 2885274154), (14, 1442637077), (49, 412182022), (98, 206091011), (343, 58883146), (686, 29441573), (1789, 11289502), (2351, 8590778), (2401, 8411878), (3578, 5644751), (4702, 4295389), (4802, 4205939), (12523, 1612786), (16457, 1227254), (25046, 806393), (32914, 613627), (87661, 230398), (115199, 175322)]