20716696

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 52704000

約数和(自身を除く): 31987304

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 169, 182, 199, 286, 308, 338, 364, 398, 572, 616, 676, 728, 796, 1001, 1144, 1183, 1352, 1393, 1592, 1859, 2002, 2189, 2366, 2587, 2786, 3718, 4004, 4378, 4732, 5174, 5572, 7436, 8008, 8756, 9464, 10348, 11144, 13013, 14872, 15323, 17512, 18109, 20696, 26026, 28457, 30646, 33631, 36218, 52052, 56914, 61292, 67262, 72436, 104104, 113828, 122584, 134524, 144872, 199199, 227656, 235417, 269048, 369941, 398398, 470834, 739882, 796796, 941668, 1479764, 1593592, 1883336, 2589587, 2959528, 5179174, 10358348, 20716696]

約数ペア:

[(1, 20716696), (2, 10358348), (4, 5179174), (7, 2959528), (8, 2589587), (11, 1883336), (13, 1593592), (14, 1479764), (22, 941668), (26, 796796), (28, 739882), (44, 470834), (52, 398398), (56, 369941), (77, 269048), (88, 235417), (91, 227656), (104, 199199), (143, 144872), (154, 134524), (169, 122584), (182, 113828), (199, 104104), (286, 72436), (308, 67262), (338, 61292), (364, 56914), (398, 52052), (572, 36218), (616, 33631), (676, 30646), (728, 28457), (796, 26026), (1001, 20696), (1144, 18109), (1183, 17512), (1352, 15323), (1393, 14872), (1592, 13013), (1859, 11144), (2002, 10348), (2189, 9464), (2366, 8756), (2587, 8008), (2786, 7436), (3718, 5572), (4004, 5174), (4378, 4732)]