20090149075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{4967}}^1$

素因数の和:5332

約数の個数: 48

約数和(自身を含む): 27322251264

約数和(自身を除く): 7232102189

約数列:

[1, 5, 17, 25, 31, 85, 155, 307, 425, 527, 775, 1535, 2635, 4967, 5219, 7675, 9517, 13175, 24835, 26095, 47585, 84439, 124175, 130475, 153977, 161789, 237925, 422195, 769885, 808945, 1524869, 2110975, 2617609, 3849425, 4044725, 7624345, 13088045, 25922773, 38121725, 47270939, 65440225, 129613865, 236354695, 648069325, 803605963, 1181773475, 4018029815, 20090149075]

約数ペア:

[(1, 20090149075), (5, 4018029815), (17, 1181773475), (25, 803605963), (31, 648069325), (85, 236354695), (155, 129613865), (307, 65440225), (425, 47270939), (527, 38121725), (775, 25922773), (1535, 13088045), (2635, 7624345), (4967, 4044725), (5219, 3849425), (7675, 2617609), (9517, 2110975), (13175, 1524869), (24835, 808945), (26095, 769885), (47585, 422195), (84439, 237925), (124175, 161789), (130475, 153977)]