20177810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6247}}^1$

素因数の和:6290

約数の個数: 32

約数和(自身を含む): 40487040

約数和(自身を除く): 20309230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6247, 12494, 31235, 62470, 106199, 118693, 212398, 237386, 530995, 593465, 1061990, 1186930, 2017781, 4035562, 10088905, 20177810]

約数ペア:

[(1, 20177810), (2, 10088905), (5, 4035562), (10, 2017781), (17, 1186930), (19, 1061990), (34, 593465), (38, 530995), (85, 237386), (95, 212398), (170, 118693), (190, 106199), (323, 62470), (646, 31235), (1615, 12494), (3230, 6247)]