20076859960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{3769}}^1$

素因数の和:4005

約数の個数: 128

約数和(自身を含む): 48967776000

約数和(自身を除く): 28890916040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 163, 172, 190, 215, 326, 344, 380, 430, 652, 760, 815, 817, 860, 1304, 1630, 1634, 1720, 3097, 3260, 3268, 3769, 4085, 6194, 6520, 6536, 7009, 7538, 8170, 12388, 14018, 15076, 15485, 16340, 18845, 24776, 28036, 30152, 30970, 32680, 35045, 37690, 56072, 61940, 70090, 71611, 75380, 123880, 133171, 140180, 143222, 150760, 162067, 266342, 280360, 286444, 324134, 358055, 532684, 572888, 614347, 648268, 665855, 716110, 810335, 1065368, 1228694, 1296536, 1331710, 1432220, 1620670, 2457388, 2663420, 2864440, 3071735, 3079273, 3241340, 4914776, 5326840, 6143470, 6158546, 6482680, 11672593, 12286940, 12317092, 15396365, 23345186, 24573880, 24634184, 26416921, 30792730, 46690372, 52833842, 58362965, 61585460, 93380744, 105667684, 116725930, 123170920, 132084605, 211335368, 233451860, 264169210, 466903720, 501921499, 528338420, 1003842998, 1056676840, 2007685996, 2509607495, 4015371992, 5019214990, 10038429980, 20076859960]

約数ペア:

[(1, 20076859960), (2, 10038429980), (4, 5019214990), (5, 4015371992), (8, 2509607495), (10, 2007685996), (19, 1056676840), (20, 1003842998), (38, 528338420), (40, 501921499), (43, 466903720), (76, 264169210), (86, 233451860), (95, 211335368), (152, 132084605), (163, 123170920), (172, 116725930), (190, 105667684), (215, 93380744), (326, 61585460), (344, 58362965), (380, 52833842), (430, 46690372), (652, 30792730), (760, 26416921), (815, 24634184), (817, 24573880), (860, 23345186), (1304, 15396365), (1630, 12317092), (1634, 12286940), (1720, 11672593), (3097, 6482680), (3260, 6158546), (3268, 6143470), (3769, 5326840), (4085, 4914776), (6194, 3241340), (6520, 3079273), (6536, 3071735), (7009, 2864440), (7538, 2663420), (8170, 2457388), (12388, 1620670), (14018, 1432220), (15076, 1331710), (15485, 1296536), (16340, 1228694), (18845, 1065368), (24776, 810335), (28036, 716110), (30152, 665855), (30970, 648268), (32680, 614347), (35045, 572888), (37690, 532684), (56072, 358055), (61940, 324134), (70090, 286444), (71611, 280360), (75380, 266342), (123880, 162067), (133171, 150760), (140180, 143222)]