20199985356

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1247837}}^1$

素因数の和:1247934

約数の個数: 48

約数和(自身を含む): 50312828160

約数和(自身を除く): 30112842804

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 426, 852, 1349, 2698, 4047, 5396, 8094, 16188, 1247837, 2495674, 3743511, 4991348, 7487022, 14974044, 23708903, 47417806, 71126709, 88596427, 94835612, 142253418, 177192854, 265789281, 284506836, 354385708, 531578562, 1063157124, 1683332113, 3366664226, 5049996339, 6733328452, 10099992678, 20199985356]

約数ペア:

[(1, 20199985356), (2, 10099992678), (3, 6733328452), (4, 5049996339), (6, 3366664226), (12, 1683332113), (19, 1063157124), (38, 531578562), (57, 354385708), (71, 284506836), (76, 265789281), (114, 177192854), (142, 142253418), (213, 94835612), (228, 88596427), (284, 71126709), (426, 47417806), (852, 23708903), (1349, 14974044), (2698, 7487022), (4047, 4991348), (5396, 3743511), (8094, 2495674), (16188, 1247837)]