20125830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4273}}^1$

素因数の和:4440

約数の個数: 32

約数和(自身を含む): 48621024

約数和(自身を除く): 28495194

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4273, 4710, 8546, 12819, 21365, 25638, 42730, 64095, 128190, 670861, 1341722, 2012583, 3354305, 4025166, 6708610, 10062915, 20125830]

約数ペア:

[(1, 20125830), (2, 10062915), (3, 6708610), (5, 4025166), (6, 3354305), (10, 2012583), (15, 1341722), (30, 670861), (157, 128190), (314, 64095), (471, 42730), (785, 25638), (942, 21365), (1570, 12819), (2355, 8546), (4273, 4710)]