20666412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44159}}^1$

素因数の和:44182

約数の個数: 36

約数和(自身を含む): 56259840

約数和(自身を除く): 35593428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44159, 88318, 132477, 176636, 264954, 397431, 529908, 574067, 794862, 1148134, 1589724, 1722201, 2296268, 3444402, 5166603, 6888804, 10333206, 20666412]

約数ペア:

[(1, 20666412), (2, 10333206), (3, 6888804), (4, 5166603), (6, 3444402), (9, 2296268), (12, 1722201), (13, 1589724), (18, 1148134), (26, 794862), (36, 574067), (39, 529908), (52, 397431), (78, 264954), (117, 176636), (156, 132477), (234, 88318), (468, 44159)]