20146487680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1523}}^1\times {\mathrm{1879}}^1$

素因数の和:3432

約数の個数: 128

約数和(自身を含む): 52603603200

約数和(自身を除く): 32457115520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1523, 1760, 1879, 3046, 3520, 3758, 6092, 7040, 7516, 7615, 9395, 12184, 15032, 15230, 16753, 18790, 20669, 24368, 30064, 30460, 33506, 37580, 41338, 48736, 60128, 60920, 67012, 75160, 82676, 83765, 97472, 103345, 120256, 121840, 134024, 150320, 165352, 167530, 194944, 206690, 240512, 243680, 268048, 300640, 330704, 335060, 413380, 487360, 536096, 601280, 661408, 670120, 826760, 974720, 1072192, 1202560, 1322816, 1340240, 1653520, 2144384, 2645632, 2680480, 2861717, 3307040, 5360960, 5723434, 6614080, 10721920, 11446868, 13228160, 14308585, 22893736, 28617170, 31478887, 45787472, 57234340, 62957774, 91574944, 114468680, 125915548, 157394435, 183149888, 228937360, 251831096, 314788870, 366299776, 457874720, 503662192, 629577740, 915749440, 1007324384, 1259155480, 1831498880, 2014648768, 2518310960, 4029297536, 5036621920, 10073243840, 20146487680]

約数ペア:

[(1, 20146487680), (2, 10073243840), (4, 5036621920), (5, 4029297536), (8, 2518310960), (10, 2014648768), (11, 1831498880), (16, 1259155480), (20, 1007324384), (22, 915749440), (32, 629577740), (40, 503662192), (44, 457874720), (55, 366299776), (64, 314788870), (80, 251831096), (88, 228937360), (110, 183149888), (128, 157394435), (160, 125915548), (176, 114468680), (220, 91574944), (320, 62957774), (352, 57234340), (440, 45787472), (640, 31478887), (704, 28617170), (880, 22893736), (1408, 14308585), (1523, 13228160), (1760, 11446868), (1879, 10721920), (3046, 6614080), (3520, 5723434), (3758, 5360960), (6092, 3307040), (7040, 2861717), (7516, 2680480), (7615, 2645632), (9395, 2144384), (12184, 1653520), (15032, 1340240), (15230, 1322816), (16753, 1202560), (18790, 1072192), (20669, 974720), (24368, 826760), (30064, 670120), (30460, 661408), (33506, 601280), (37580, 536096), (41338, 487360), (48736, 413380), (60128, 335060), (60920, 330704), (67012, 300640), (75160, 268048), (82676, 243680), (83765, 240512), (97472, 206690), (103345, 194944), (120256, 167530), (121840, 165352), (134024, 150320)]