20178091480

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1352419}}^1$

素因数の和:1352803

約数の個数: 32

約数和(自身を含む): 45522457200

約数和(自身を除く): 25344365720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 7460, 14920, 1352419, 2704838, 5409676, 6762095, 10819352, 13524190, 27048380, 54096760, 504452287, 1008904574, 2017809148, 2522261435, 4035618296, 5044522870, 10089045740, 20178091480]

約数ペア:

[(1, 20178091480), (2, 10089045740), (4, 5044522870), (5, 4035618296), (8, 2522261435), (10, 2017809148), (20, 1008904574), (40, 504452287), (373, 54096760), (746, 27048380), (1492, 13524190), (1865, 10819352), (2984, 6762095), (3730, 5409676), (7460, 2704838), (14920, 1352419)]