20138926788

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{49801}}^1$

素因数の和:50097

約数の個数: 72

約数和(自身を含む): 52208432640

約数和(自身を除く): 32069505852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 239, 282, 423, 478, 564, 717, 846, 956, 1434, 1692, 2151, 2868, 4302, 8604, 11233, 22466, 33699, 44932, 49801, 67398, 99602, 101097, 134796, 149403, 199204, 202194, 298806, 404388, 448209, 597612, 896418, 1792836, 2340647, 4681294, 7021941, 9362588, 11902439, 14043882, 21065823, 23804878, 28087764, 35707317, 42131646, 47609756, 71414634, 84263292, 107121951, 142829268, 214243902, 428487804, 559414633, 1118829266, 1678243899, 2237658532, 3356487798, 5034731697, 6712975596, 10069463394, 20138926788]

約数ペア:

[(1, 20138926788), (2, 10069463394), (3, 6712975596), (4, 5034731697), (6, 3356487798), (9, 2237658532), (12, 1678243899), (18, 1118829266), (36, 559414633), (47, 428487804), (94, 214243902), (141, 142829268), (188, 107121951), (239, 84263292), (282, 71414634), (423, 47609756), (478, 42131646), (564, 35707317), (717, 28087764), (846, 23804878), (956, 21065823), (1434, 14043882), (1692, 11902439), (2151, 9362588), (2868, 7021941), (4302, 4681294), (8604, 2340647), (11233, 1792836), (22466, 896418), (33699, 597612), (44932, 448209), (49801, 404388), (67398, 298806), (99602, 202194), (101097, 199204), (134796, 149403)]