20146880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:226

約数の個数: 112

約数和(自身を含む): 53766720

約数和(自身を除く): 33619840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 130, 145, 160, 167, 208, 232, 260, 290, 320, 334, 377, 416, 464, 520, 580, 668, 754, 832, 835, 928, 1040, 1160, 1336, 1508, 1670, 1856, 1885, 2080, 2171, 2320, 2672, 3016, 3340, 3770, 4160, 4342, 4640, 4843, 5344, 6032, 6680, 7540, 8684, 9280, 9686, 10688, 10855, 12064, 13360, 15080, 17368, 19372, 21710, 24128, 24215, 26720, 30160, 34736, 38744, 43420, 48430, 53440, 60320, 62959, 69472, 77488, 86840, 96860, 120640, 125918, 138944, 154976, 173680, 193720, 251836, 309952, 314795, 347360, 387440, 503672, 629590, 694720, 774880, 1007344, 1259180, 1549760, 2014688, 2518360, 4029376, 5036720, 10073440, 20146880]

約数ペア:

[(1, 20146880), (2, 10073440), (4, 5036720), (5, 4029376), (8, 2518360), (10, 2014688), (13, 1549760), (16, 1259180), (20, 1007344), (26, 774880), (29, 694720), (32, 629590), (40, 503672), (52, 387440), (58, 347360), (64, 314795), (65, 309952), (80, 251836), (104, 193720), (116, 173680), (130, 154976), (145, 138944), (160, 125918), (167, 120640), (208, 96860), (232, 86840), (260, 77488), (290, 69472), (320, 62959), (334, 60320), (377, 53440), (416, 48430), (464, 43420), (520, 38744), (580, 34736), (668, 30160), (754, 26720), (832, 24215), (835, 24128), (928, 21710), (1040, 19372), (1160, 17368), (1336, 15080), (1508, 13360), (1670, 12064), (1856, 10855), (1885, 10688), (2080, 9686), (2171, 9280), (2320, 8684), (2672, 7540), (3016, 6680), (3340, 6032), (3770, 5344), (4160, 4843), (4342, 4640)]