20216803212

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{809}}^1\times {\mathrm{30181}}^1$

素因数の和:31023

約数の個数: 72

約数和(自身を含む): 53393165280

約数和(自身を除く): 33176362068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 809, 828, 1618, 2427, 3236, 4854, 7281, 9708, 14562, 18607, 29124, 30181, 37214, 55821, 60362, 74428, 90543, 111642, 120724, 167463, 181086, 223284, 271629, 334926, 362172, 543258, 669852, 694163, 1086516, 1388326, 2082489, 2776652, 4164978, 6247467, 8329956, 12494934, 24416429, 24989868, 48832858, 73249287, 97665716, 146498574, 219747861, 292997148, 439495722, 561577867, 878991444, 1123155734, 1684733601, 2246311468, 3369467202, 5054200803, 6738934404, 10108401606, 20216803212]

約数ペア:

[(1, 20216803212), (2, 10108401606), (3, 6738934404), (4, 5054200803), (6, 3369467202), (9, 2246311468), (12, 1684733601), (18, 1123155734), (23, 878991444), (36, 561577867), (46, 439495722), (69, 292997148), (92, 219747861), (138, 146498574), (207, 97665716), (276, 73249287), (414, 48832858), (809, 24989868), (828, 24416429), (1618, 12494934), (2427, 8329956), (3236, 6247467), (4854, 4164978), (7281, 2776652), (9708, 2082489), (14562, 1388326), (18607, 1086516), (29124, 694163), (30181, 669852), (37214, 543258), (55821, 362172), (60362, 334926), (74428, 271629), (90543, 223284), (111642, 181086), (120724, 167463)]