12369220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6949}}^1$

素因数の和:7047

約数の個数: 24

約数和(自身を含む): 26271000

約数和(自身を除く): 13901780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 6949, 13898, 27796, 34745, 69490, 138980, 618461, 1236922, 2473844, 3092305, 6184610, 12369220]

約数ペア:

[(1, 12369220), (2, 6184610), (4, 3092305), (5, 2473844), (10, 1236922), (20, 618461), (89, 138980), (178, 69490), (356, 34745), (445, 27796), (890, 13898), (1780, 6949)]