20506298130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1397839}}^1$

素因数の和:1398015

約数の個数: 48

約数和(自身を含む): 53643507840

約数和(自身を除く): 33137209710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 163, 326, 489, 815, 978, 1467, 1630, 2445, 2934, 4890, 7335, 14670, 1397839, 2795678, 4193517, 6989195, 8387034, 12580551, 13978390, 20967585, 25161102, 41935170, 62902755, 125805510, 227847757, 455695514, 683543271, 1139238785, 1367086542, 2050629813, 2278477570, 3417716355, 4101259626, 6835432710, 10253149065, 20506298130]

約数ペア:

[(1, 20506298130), (2, 10253149065), (3, 6835432710), (5, 4101259626), (6, 3417716355), (9, 2278477570), (10, 2050629813), (15, 1367086542), (18, 1139238785), (30, 683543271), (45, 455695514), (90, 227847757), (163, 125805510), (326, 62902755), (489, 41935170), (815, 25161102), (978, 20967585), (1467, 13978390), (1630, 12580551), (2445, 8387034), (2934, 6989195), (4890, 4193517), (7335, 2795678), (14670, 1397839)]