20014948360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{81667}}^1$

素因数の和:82246

約数の個数: 64

約数和(自身を含む): 49216403520

約数和(自身を除く): 29201455160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 557, 1114, 2228, 2785, 4456, 5570, 6127, 11140, 12254, 22280, 24508, 30635, 49016, 61270, 81667, 122540, 163334, 245080, 326668, 408335, 653336, 816670, 898337, 1633340, 1796674, 3266680, 3593348, 4491685, 7186696, 8983370, 17966740, 35933480, 45488519, 90977038, 181954076, 227442595, 363908152, 454885190, 500373709, 909770380, 1000747418, 1819540760, 2001494836, 2501868545, 4002989672, 5003737090, 10007474180, 20014948360]

約数ペア:

[(1, 20014948360), (2, 10007474180), (4, 5003737090), (5, 4002989672), (8, 2501868545), (10, 2001494836), (11, 1819540760), (20, 1000747418), (22, 909770380), (40, 500373709), (44, 454885190), (55, 363908152), (88, 227442595), (110, 181954076), (220, 90977038), (440, 45488519), (557, 35933480), (1114, 17966740), (2228, 8983370), (2785, 7186696), (4456, 4491685), (5570, 3593348), (6127, 3266680), (11140, 1796674), (12254, 1633340), (22280, 898337), (24508, 816670), (30635, 653336), (49016, 408335), (61270, 326668), (81667, 245080), (122540, 163334)]