20164560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:333

約数の個数: 160

約数和(自身を含む): 70495488

約数和(自身を除く): 50330928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 184, 195, 208, 230, 240, 260, 276, 281, 299, 312, 345, 368, 390, 460, 520, 552, 562, 598, 624, 690, 780, 843, 897, 920, 1040, 1104, 1124, 1196, 1380, 1405, 1495, 1560, 1686, 1794, 1840, 2248, 2392, 2760, 2810, 2990, 3120, 3372, 3588, 3653, 4215, 4485, 4496, 4784, 5520, 5620, 5980, 6463, 6744, 7176, 7306, 8430, 8970, 10959, 11240, 11960, 12926, 13488, 14352, 14612, 16860, 17940, 18265, 19389, 21918, 22480, 23920, 25852, 29224, 32315, 33720, 35880, 36530, 38778, 43836, 51704, 54795, 58448, 64630, 67440, 71760, 73060, 77556, 84019, 87672, 96945, 103408, 109590, 129260, 146120, 155112, 168038, 175344, 193890, 219180, 252057, 258520, 292240, 310224, 336076, 387780, 420095, 438360, 504114, 517040, 672152, 775560, 840190, 876720, 1008228, 1260285, 1344304, 1551120, 1680380, 2016456, 2520570, 3360760, 4032912, 5041140, 6721520, 10082280, 20164560]

約数ペア:

[(1, 20164560), (2, 10082280), (3, 6721520), (4, 5041140), (5, 4032912), (6, 3360760), (8, 2520570), (10, 2016456), (12, 1680380), (13, 1551120), (15, 1344304), (16, 1260285), (20, 1008228), (23, 876720), (24, 840190), (26, 775560), (30, 672152), (39, 517040), (40, 504114), (46, 438360), (48, 420095), (52, 387780), (60, 336076), (65, 310224), (69, 292240), (78, 258520), (80, 252057), (92, 219180), (104, 193890), (115, 175344), (120, 168038), (130, 155112), (138, 146120), (156, 129260), (184, 109590), (195, 103408), (208, 96945), (230, 87672), (240, 84019), (260, 77556), (276, 73060), (281, 71760), (299, 67440), (312, 64630), (345, 58448), (368, 54795), (390, 51704), (460, 43836), (520, 38778), (552, 36530), (562, 35880), (598, 33720), (624, 32315), (690, 29224), (780, 25852), (843, 23920), (897, 22480), (920, 21918), (1040, 19389), (1104, 18265), (1124, 17940), (1196, 16860), (1380, 14612), (1405, 14352), (1495, 13488), (1560, 12926), (1686, 11960), (1794, 11240), (1840, 10959), (2248, 8970), (2392, 8430), (2760, 7306), (2810, 7176), (2990, 6744), (3120, 6463), (3372, 5980), (3588, 5620), (3653, 5520), (4215, 4784), (4485, 4496)]