20395170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11927}}^1$

素因数の和:11959

約数の個数: 48

約数和(自身を含む): 55823040

約数和(自身を除く): 35427870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 11927, 23854, 35781, 59635, 71562, 107343, 119270, 178905, 214686, 226613, 357810, 453226, 536715, 679839, 1073430, 1133065, 1359678, 2039517, 2266130, 3399195, 4079034, 6798390, 10197585, 20395170]

約数ペア:

[(1, 20395170), (2, 10197585), (3, 6798390), (5, 4079034), (6, 3399195), (9, 2266130), (10, 2039517), (15, 1359678), (18, 1133065), (19, 1073430), (30, 679839), (38, 536715), (45, 453226), (57, 357810), (90, 226613), (95, 214686), (114, 178905), (171, 119270), (190, 107343), (285, 71562), (342, 59635), (570, 35781), (855, 23854), (1710, 11927)]