20817474

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 42504000

約数和(自身を除く): 21686526

約数列:

[1, 2, 3, 6, 109, 139, 218, 229, 278, 327, 417, 458, 654, 687, 834, 1374, 15151, 24961, 30302, 31831, 45453, 49922, 63662, 74883, 90906, 95493, 149766, 190986, 3469579, 6939158, 10408737, 20817474]

約数ペア:

[(1, 20817474), (2, 10408737), (3, 6939158), (6, 3469579), (109, 190986), (139, 149766), (218, 95493), (229, 90906), (278, 74883), (327, 63662), (417, 49922), (458, 45453), (654, 31831), (687, 30302), (834, 24961), (1374, 15151)]