20843658

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 72

約数和(自身を含む): 51760800

約数和(自身を除く): 30917142

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 99, 138, 198, 199, 207, 253, 398, 414, 506, 529, 597, 759, 1058, 1194, 1518, 1587, 1791, 2189, 2277, 3174, 3582, 4378, 4554, 4577, 4761, 5819, 6567, 9154, 9522, 11638, 13134, 13731, 17457, 19701, 27462, 34914, 39402, 41193, 50347, 52371, 82386, 100694, 104742, 105271, 151041, 210542, 302082, 315813, 453123, 631626, 906246, 947439, 1157981, 1894878, 2315962, 3473943, 6947886, 10421829, 20843658]

約数ペア:

[(1, 20843658), (2, 10421829), (3, 6947886), (6, 3473943), (9, 2315962), (11, 1894878), (18, 1157981), (22, 947439), (23, 906246), (33, 631626), (46, 453123), (66, 315813), (69, 302082), (99, 210542), (138, 151041), (198, 105271), (199, 104742), (207, 100694), (253, 82386), (398, 52371), (414, 50347), (506, 41193), (529, 39402), (597, 34914), (759, 27462), (1058, 19701), (1194, 17457), (1518, 13731), (1587, 13134), (1791, 11638), (2189, 9522), (2277, 9154), (3174, 6567), (3582, 5819), (4378, 4761), (4554, 4577)]