20332270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4091}}^1$

素因数の和:4176

約数の個数: 32

約数和(自身を含む): 42425856

約数和(自身を除く): 22093586

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4091, 4970, 8182, 20455, 28637, 40910, 57274, 143185, 286370, 290461, 580922, 1452305, 2033227, 2904610, 4066454, 10166135, 20332270]

約数ペア:

[(1, 20332270), (2, 10166135), (5, 4066454), (7, 2904610), (10, 2033227), (14, 1452305), (35, 580922), (70, 290461), (71, 286370), (142, 143185), (355, 57274), (497, 40910), (710, 28637), (994, 20455), (2485, 8182), (4091, 4970)]