20120155980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{10259}}^1\times {\mathrm{32687}}^1$

素因数の和:42958

約数の個数: 48

約数和(自身を含む): 56343651840

約数和(自身を除く): 36223495860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 10259, 20518, 30777, 32687, 41036, 51295, 61554, 65374, 98061, 102590, 123108, 130748, 153885, 163435, 196122, 205180, 307770, 326870, 392244, 490305, 615540, 653740, 980610, 1961220, 335335933, 670671866, 1006007799, 1341343732, 1676679665, 2012015598, 3353359330, 4024031196, 5030038995, 6706718660, 10060077990, 20120155980]

約数ペア:

[(1, 20120155980), (2, 10060077990), (3, 6706718660), (4, 5030038995), (5, 4024031196), (6, 3353359330), (10, 2012015598), (12, 1676679665), (15, 1341343732), (20, 1006007799), (30, 670671866), (60, 335335933), (10259, 1961220), (20518, 980610), (30777, 653740), (32687, 615540), (41036, 490305), (51295, 392244), (61554, 326870), (65374, 307770), (98061, 205180), (102590, 196122), (123108, 163435), (130748, 153885)]