20097440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:646

約数の個数: 96

約数和(自身を含む): 54613440

約数和(自身を除く): 34516000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 352, 380, 418, 440, 601, 608, 760, 836, 880, 1045, 1202, 1520, 1672, 1760, 2090, 2404, 3005, 3040, 3344, 4180, 4808, 6010, 6611, 6688, 8360, 9616, 11419, 12020, 13222, 16720, 19232, 22838, 24040, 26444, 33055, 33440, 45676, 48080, 52888, 57095, 66110, 91352, 96160, 105776, 114190, 125609, 132220, 182704, 211552, 228380, 251218, 264440, 365408, 456760, 502436, 528880, 628045, 913520, 1004872, 1057760, 1256090, 1827040, 2009744, 2512180, 4019488, 5024360, 10048720, 20097440]

約数ペア:

[(1, 20097440), (2, 10048720), (4, 5024360), (5, 4019488), (8, 2512180), (10, 2009744), (11, 1827040), (16, 1256090), (19, 1057760), (20, 1004872), (22, 913520), (32, 628045), (38, 528880), (40, 502436), (44, 456760), (55, 365408), (76, 264440), (80, 251218), (88, 228380), (95, 211552), (110, 182704), (152, 132220), (160, 125609), (176, 114190), (190, 105776), (209, 96160), (220, 91352), (304, 66110), (352, 57095), (380, 52888), (418, 48080), (440, 45676), (601, 33440), (608, 33055), (760, 26444), (836, 24040), (880, 22838), (1045, 19232), (1202, 16720), (1520, 13222), (1672, 12020), (1760, 11419), (2090, 9616), (2404, 8360), (3005, 6688), (3040, 6611), (3344, 6010), (4180, 4808)]