20192454820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3125767}}^1$

素因数の和:3125812

約数の個数: 48

約数和(自身を含む): 47261612160

約数和(自身を除く): 27069157340

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 3125767, 6251534, 12503068, 15628835, 31257670, 53138039, 59389573, 62515340, 106276078, 118779146, 212552156, 237558292, 265690195, 296947865, 531380390, 593895730, 1009622741, 1062760780, 1187791460, 2019245482, 4038490964, 5048113705, 10096227410, 20192454820]

約数ペア:

[(1, 20192454820), (2, 10096227410), (4, 5048113705), (5, 4038490964), (10, 2019245482), (17, 1187791460), (19, 1062760780), (20, 1009622741), (34, 593895730), (38, 531380390), (68, 296947865), (76, 265690195), (85, 237558292), (95, 212552156), (170, 118779146), (190, 106276078), (323, 62515340), (340, 59389573), (380, 53138039), (646, 31257670), (1292, 15628835), (1615, 12503068), (3230, 6251534), (6460, 3125767)]