20865536892

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1723}}^1\times {\mathrm{7823}}^1$

素因数の和:9599

約数の個数: 72

約数和(自身を含む): 54008258304

約数和(自身を除く): 33142721412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 1723, 3446, 5169, 6892, 7823, 10338, 15507, 15646, 20676, 23469, 31014, 31292, 46938, 62028, 70407, 74089, 93876, 140814, 148178, 222267, 281628, 296356, 336389, 444534, 666801, 672778, 889068, 1009167, 1333602, 1345556, 2018334, 2667204, 3027501, 4036668, 6055002, 12110004, 13479029, 26958058, 40437087, 53916116, 80874174, 121311261, 161748348, 242622522, 485245044, 579598247, 1159196494, 1738794741, 2318392988, 3477589482, 5216384223, 6955178964, 10432768446, 20865536892]

約数ペア:

[(1, 20865536892), (2, 10432768446), (3, 6955178964), (4, 5216384223), (6, 3477589482), (9, 2318392988), (12, 1738794741), (18, 1159196494), (36, 579598247), (43, 485245044), (86, 242622522), (129, 161748348), (172, 121311261), (258, 80874174), (387, 53916116), (516, 40437087), (774, 26958058), (1548, 13479029), (1723, 12110004), (3446, 6055002), (5169, 4036668), (6892, 3027501), (7823, 2667204), (10338, 2018334), (15507, 1345556), (15646, 1333602), (20676, 1009167), (23469, 889068), (31014, 672778), (31292, 666801), (46938, 444534), (62028, 336389), (70407, 296356), (74089, 281628), (93876, 222267), (140814, 148178)]