20664826

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6679}}^1$

素因数の和:6718

約数の個数: 32

約数和(自身を含む): 40400640

約数和(自身を除く): 19735814

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 6679, 13358, 46753, 86827, 93506, 113543, 173654, 227086, 607789, 794801, 1215578, 1476059, 1589602, 2952118, 10332413, 20664826]

約数ペア:

[(1, 20664826), (2, 10332413), (7, 2952118), (13, 1589602), (14, 1476059), (17, 1215578), (26, 794801), (34, 607789), (91, 227086), (119, 173654), (182, 113543), (221, 93506), (238, 86827), (442, 46753), (1547, 13358), (3094, 6679)]