20123004458

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1\times {\mathrm{4789}}^1$

素因数の和:5222

約数の個数: 32

約数和(自身を含む): 30989537280

約数和(自身を除く): 10866532822

約数列:

[1, 2, 71, 127, 142, 233, 254, 466, 4789, 9017, 9578, 16543, 18034, 29591, 33086, 59182, 340019, 608203, 680038, 1115837, 1216406, 2100961, 2231674, 4201922, 43182413, 79224427, 86364826, 141711299, 158448854, 283422598, 10061502229, 20123004458]

約数ペア:

[(1, 20123004458), (2, 10061502229), (71, 283422598), (127, 158448854), (142, 141711299), (233, 86364826), (254, 79224427), (466, 43182413), (4789, 4201922), (9017, 2231674), (9578, 2100961), (16543, 1216406), (18034, 1115837), (29591, 680038), (33086, 608203), (59182, 340019)]