20199892488

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{162389}}^1$

素因数の和:162542

約数の個数: 64

約数和(自身を含む): 51912835200

約数和(自身を除く): 31712942712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 73, 142, 146, 213, 219, 284, 292, 426, 438, 568, 584, 852, 876, 1704, 1752, 5183, 10366, 15549, 20732, 31098, 41464, 62196, 124392, 162389, 324778, 487167, 649556, 974334, 1299112, 1948668, 3897336, 11529619, 11854397, 23059238, 23708794, 34588857, 35563191, 46118476, 47417588, 69177714, 71126382, 92236952, 94835176, 138355428, 142252764, 276710856, 284505528, 841662187, 1683324374, 2524986561, 3366648748, 5049973122, 6733297496, 10099946244, 20199892488]

約数ペア:

[(1, 20199892488), (2, 10099946244), (3, 6733297496), (4, 5049973122), (6, 3366648748), (8, 2524986561), (12, 1683324374), (24, 841662187), (71, 284505528), (73, 276710856), (142, 142252764), (146, 138355428), (213, 94835176), (219, 92236952), (284, 71126382), (292, 69177714), (426, 47417588), (438, 46118476), (568, 35563191), (584, 34588857), (852, 23708794), (876, 23059238), (1704, 11854397), (1752, 11529619), (5183, 3897336), (10366, 1948668), (15549, 1299112), (20732, 974334), (31098, 649556), (41464, 487167), (62196, 324778), (124392, 162389)]