20157322840

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1351027}}^1$

素因数の和:1351411

約数の個数: 32

約数和(自身を含む): 45475602480

約数和(自身を除く): 25318279640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 7460, 14920, 1351027, 2702054, 5404108, 6755135, 10808216, 13510270, 27020540, 54041080, 503933071, 1007866142, 2015732284, 2519665355, 4031464568, 5039330710, 10078661420, 20157322840]

約数ペア:

[(1, 20157322840), (2, 10078661420), (4, 5039330710), (5, 4031464568), (8, 2519665355), (10, 2015732284), (20, 1007866142), (40, 503933071), (373, 54041080), (746, 27020540), (1492, 13510270), (1865, 10808216), (2984, 6755135), (3730, 5404108), (7460, 2702054), (14920, 1351027)]