20102192120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1\times {\mathrm{14411}}^1$

素因数の和:15276

約数の個数: 64

約数和(自身を含む): 46342074240

約数和(自身を除く): 26239882120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 811, 860, 1622, 1720, 3244, 4055, 6488, 8110, 14411, 16220, 28822, 32440, 34873, 57644, 69746, 72055, 115288, 139492, 144110, 174365, 278984, 288220, 348730, 576440, 619673, 697460, 1239346, 1394920, 2478692, 3098365, 4957384, 6196730, 11687321, 12393460, 23374642, 24786920, 46749284, 58436605, 93498568, 116873210, 233746420, 467492840, 502554803, 1005109606, 2010219212, 2512774015, 4020438424, 5025548030, 10051096060, 20102192120]

約数ペア:

[(1, 20102192120), (2, 10051096060), (4, 5025548030), (5, 4020438424), (8, 2512774015), (10, 2010219212), (20, 1005109606), (40, 502554803), (43, 467492840), (86, 233746420), (172, 116873210), (215, 93498568), (344, 58436605), (430, 46749284), (811, 24786920), (860, 23374642), (1622, 12393460), (1720, 11687321), (3244, 6196730), (4055, 4957384), (6488, 3098365), (8110, 2478692), (14411, 1394920), (16220, 1239346), (28822, 697460), (32440, 619673), (34873, 576440), (57644, 348730), (69746, 288220), (72055, 278984), (115288, 174365), (139492, 144110)]