20543700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:142

約数の個数: 108

約数和(自身を含む): 62690432

約数和(自身を除く): 42146732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 47, 50, 60, 62, 75, 93, 94, 100, 124, 141, 150, 155, 186, 188, 235, 282, 300, 310, 372, 465, 470, 564, 620, 705, 775, 930, 940, 1175, 1410, 1457, 1550, 1860, 2209, 2325, 2350, 2820, 2914, 3100, 3525, 4371, 4418, 4650, 4700, 5828, 6627, 7050, 7285, 8742, 8836, 9300, 11045, 13254, 14100, 14570, 17484, 21855, 22090, 26508, 29140, 33135, 36425, 43710, 44180, 55225, 66270, 68479, 72850, 87420, 109275, 110450, 132540, 136958, 145700, 165675, 205437, 218550, 220900, 273916, 331350, 342395, 410874, 437100, 662700, 684790, 821748, 1027185, 1369580, 1711975, 2054370, 3423950, 4108740, 5135925, 6847900, 10271850, 20543700]

約数ペア:

[(1, 20543700), (2, 10271850), (3, 6847900), (4, 5135925), (5, 4108740), (6, 3423950), (10, 2054370), (12, 1711975), (15, 1369580), (20, 1027185), (25, 821748), (30, 684790), (31, 662700), (47, 437100), (50, 410874), (60, 342395), (62, 331350), (75, 273916), (93, 220900), (94, 218550), (100, 205437), (124, 165675), (141, 145700), (150, 136958), (155, 132540), (186, 110450), (188, 109275), (235, 87420), (282, 72850), (300, 68479), (310, 66270), (372, 55225), (465, 44180), (470, 43710), (564, 36425), (620, 33135), (705, 29140), (775, 26508), (930, 22090), (940, 21855), (1175, 17484), (1410, 14570), (1457, 14100), (1550, 13254), (1860, 11045), (2209, 9300), (2325, 8836), (2350, 8742), (2820, 7285), (2914, 7050), (3100, 6627), (3525, 5828), (4371, 4700), (4418, 4650)]