20197768085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21601891}}^1$

素因数の和:21601924

約数の個数: 16

約数和(自身を含む): 27996052032

約数和(自身を除く): 7798283947

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 21601891, 108009455, 237620801, 367232147, 1188104005, 1836160735, 4039553617, 20197768085]

約数ペア:

[(1, 20197768085), (5, 4039553617), (11, 1836160735), (17, 1188104005), (55, 367232147), (85, 237620801), (187, 108009455), (935, 21601891)]