20003314304

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1259}}^1$

素因数の和:1478

約数の個数: 128

約数和(自身を含む): 43182720000

約数和(自身を除く): 23179405696

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 139, 152, 188, 278, 304, 376, 556, 608, 752, 893, 1112, 1216, 1259, 1504, 1786, 2224, 2432, 2518, 2641, 3008, 3572, 4448, 5036, 5282, 6016, 6533, 7144, 8896, 10072, 10564, 13066, 14288, 17792, 20144, 21128, 23921, 26132, 28576, 40288, 42256, 47842, 52264, 57152, 59173, 80576, 84512, 95684, 104528, 114304, 118346, 124127, 161152, 169024, 175001, 191368, 209056, 236692, 248254, 338048, 350002, 382736, 418112, 473384, 496508, 700004, 765472, 836224, 946768, 993016, 1124287, 1400008, 1530944, 1893536, 1986032, 2248574, 2800016, 3061888, 3325019, 3787072, 3972064, 4497148, 5600032, 6650038, 7574144, 7944128, 8225047, 8994296, 11200064, 13300076, 15888256, 16450094, 17988592, 22400128, 26600152, 32900188, 35977184, 53200304, 65800376, 71954368, 106400608, 131600752, 143908736, 156275893, 212801216, 263201504, 312551786, 425602432, 526403008, 625103572, 1052806016, 1250207144, 2500414288, 5000828576, 10001657152, 20003314304]

約数ペア:

[(1, 20003314304), (2, 10001657152), (4, 5000828576), (8, 2500414288), (16, 1250207144), (19, 1052806016), (32, 625103572), (38, 526403008), (47, 425602432), (64, 312551786), (76, 263201504), (94, 212801216), (128, 156275893), (139, 143908736), (152, 131600752), (188, 106400608), (278, 71954368), (304, 65800376), (376, 53200304), (556, 35977184), (608, 32900188), (752, 26600152), (893, 22400128), (1112, 17988592), (1216, 16450094), (1259, 15888256), (1504, 13300076), (1786, 11200064), (2224, 8994296), (2432, 8225047), (2518, 7944128), (2641, 7574144), (3008, 6650038), (3572, 5600032), (4448, 4497148), (5036, 3972064), (5282, 3787072), (6016, 3325019), (6533, 3061888), (7144, 2800016), (8896, 2248574), (10072, 1986032), (10564, 1893536), (13066, 1530944), (14288, 1400008), (17792, 1124287), (20144, 993016), (21128, 946768), (23921, 836224), (26132, 765472), (28576, 700004), (40288, 496508), (42256, 473384), (47842, 418112), (52264, 382736), (57152, 350002), (59173, 338048), (80576, 248254), (84512, 236692), (95684, 209056), (104528, 191368), (114304, 175001), (118346, 169024), (124127, 161152)]