20651010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^2$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 52017984

約数和(自身を除く): 31366974

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 173, 230, 345, 346, 519, 690, 865, 1038, 1730, 2595, 3979, 5190, 7958, 11937, 19895, 23874, 29929, 39790, 59685, 59858, 89787, 119370, 149645, 179574, 299290, 448935, 688367, 897870, 1376734, 2065101, 3441835, 4130202, 6883670, 10325505, 20651010]

約数ペア:

[(1, 20651010), (2, 10325505), (3, 6883670), (5, 4130202), (6, 3441835), (10, 2065101), (15, 1376734), (23, 897870), (30, 688367), (46, 448935), (69, 299290), (115, 179574), (138, 149645), (173, 119370), (230, 89787), (345, 59858), (346, 59685), (519, 39790), (690, 29929), (865, 23874), (1038, 19895), (1730, 11937), (2595, 7958), (3979, 5190)]