20186712928

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{1949}}^1$

素因数の和:2240

約数の個数: 96

約数和(自身を含む): 42032390400

約数和(自身を除く): 21845677472

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 106, 124, 197, 212, 248, 394, 424, 496, 788, 848, 992, 1576, 1643, 1696, 1949, 3152, 3286, 3898, 6107, 6304, 6572, 7796, 10441, 12214, 13144, 15592, 20882, 24428, 26288, 31184, 41764, 48856, 52576, 60419, 62368, 83528, 97712, 103297, 120838, 167056, 195424, 206594, 241676, 323671, 334112, 383953, 413188, 483352, 647342, 767906, 826376, 966704, 1294684, 1535812, 1652752, 1933408, 2589368, 3071624, 3202207, 3305504, 5178736, 6143248, 6404414, 10357472, 11902543, 12286496, 12808828, 20349509, 23805086, 25617656, 40699018, 47610172, 51235312, 81398036, 95220344, 102470624, 162796072, 190440688, 325592144, 380881376, 630834779, 651184288, 1261669558, 2523339116, 5046678232, 10093356464, 20186712928]

約数ペア:

[(1, 20186712928), (2, 10093356464), (4, 5046678232), (8, 2523339116), (16, 1261669558), (31, 651184288), (32, 630834779), (53, 380881376), (62, 325592144), (106, 190440688), (124, 162796072), (197, 102470624), (212, 95220344), (248, 81398036), (394, 51235312), (424, 47610172), (496, 40699018), (788, 25617656), (848, 23805086), (992, 20349509), (1576, 12808828), (1643, 12286496), (1696, 11902543), (1949, 10357472), (3152, 6404414), (3286, 6143248), (3898, 5178736), (6107, 3305504), (6304, 3202207), (6572, 3071624), (7796, 2589368), (10441, 1933408), (12214, 1652752), (13144, 1535812), (15592, 1294684), (20882, 966704), (24428, 826376), (26288, 767906), (31184, 647342), (41764, 483352), (48856, 413188), (52576, 383953), (60419, 334112), (62368, 323671), (83528, 241676), (97712, 206594), (103297, 195424), (120838, 167056)]