20118628

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1823}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 36771840

約数和(自身を除く): 16653212

約数列:

[1, 2, 4, 31, 62, 89, 124, 178, 356, 1823, 2759, 3646, 5518, 7292, 11036, 56513, 113026, 162247, 226052, 324494, 648988, 5029657, 10059314, 20118628]

約数ペア:

[(1, 20118628), (2, 10059314), (4, 5029657), (31, 648988), (62, 324494), (89, 226052), (124, 162247), (178, 113026), (356, 56513), (1823, 11036), (2759, 7292), (3646, 5518)]