20171214

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 56263680

約数和(自身を除く): 36092466

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 43, 51, 54, 63, 73, 86, 102, 119, 126, 129, 146, 153, 189, 219, 238, 258, 301, 306, 357, 378, 387, 438, 459, 511, 602, 657, 714, 731, 774, 903, 918, 1022, 1071, 1161, 1241, 1314, 1462, 1533, 1806, 1971, 2142, 2193, 2322, 2482, 2709, 3066, 3139, 3213, 3723, 3942, 4386, 4599, 5117, 5418, 6278, 6426, 6579, 7446, 8127, 8687, 9198, 9417, 10234, 11169, 13158, 13797, 15351, 16254, 17374, 18834, 19737, 21973, 22338, 26061, 27594, 28251, 30702, 33507, 39474, 43946, 46053, 52122, 53363, 56502, 65919, 67014, 78183, 84753, 92106, 106726, 131838, 138159, 156366, 160089, 169506, 197757, 234549, 276318, 320178, 373541, 395514, 469098, 480267, 593271, 747082, 960534, 1120623, 1186542, 1440801, 2241246, 2881602, 3361869, 6723738, 10085607, 20171214]

約数ペア:

[(1, 20171214), (2, 10085607), (3, 6723738), (6, 3361869), (7, 2881602), (9, 2241246), (14, 1440801), (17, 1186542), (18, 1120623), (21, 960534), (27, 747082), (34, 593271), (42, 480267), (43, 469098), (51, 395514), (54, 373541), (63, 320178), (73, 276318), (86, 234549), (102, 197757), (119, 169506), (126, 160089), (129, 156366), (146, 138159), (153, 131838), (189, 106726), (219, 92106), (238, 84753), (258, 78183), (301, 67014), (306, 65919), (357, 56502), (378, 53363), (387, 52122), (438, 46053), (459, 43946), (511, 39474), (602, 33507), (657, 30702), (714, 28251), (731, 27594), (774, 26061), (903, 22338), (918, 21973), (1022, 19737), (1071, 18834), (1161, 17374), (1241, 16254), (1314, 15351), (1462, 13797), (1533, 13158), (1806, 11169), (1971, 10234), (2142, 9417), (2193, 9198), (2322, 8687), (2482, 8127), (2709, 7446), (3066, 6579), (3139, 6426), (3213, 6278), (3723, 5418), (3942, 5117), (4386, 4599)]