20210912254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1451}}^1\times {\mathrm{2539}}^1$

素因数の和:4216

約数の個数: 32

約数和(自身を含む): 32838664320

約数和(自身を除く): 12627752066

約数列:

[1, 2, 13, 26, 211, 422, 1451, 2539, 2743, 2902, 5078, 5486, 18863, 33007, 37726, 66014, 306161, 535729, 612322, 1071458, 3684089, 3980093, 6964477, 7368178, 7960186, 13928954, 47893157, 95786314, 777342779, 1554685558, 10105456127, 20210912254]

約数ペア:

[(1, 20210912254), (2, 10105456127), (13, 1554685558), (26, 777342779), (211, 95786314), (422, 47893157), (1451, 13928954), (2539, 7960186), (2743, 7368178), (2902, 6964477), (5078, 3980093), (5486, 3684089), (18863, 1071458), (33007, 612322), (37726, 535729), (66014, 306161)]