20355426

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 59002944

約数和(自身を除く): 38647518

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 43, 51, 63, 78, 86, 91, 102, 117, 119, 126, 129, 153, 182, 221, 234, 238, 258, 273, 289, 301, 306, 357, 387, 442, 546, 559, 578, 602, 663, 714, 731, 774, 819, 867, 903, 1071, 1118, 1326, 1462, 1547, 1638, 1677, 1734, 1806, 1989, 2023, 2142, 2193, 2601, 2709, 3094, 3354, 3757, 3913, 3978, 4046, 4386, 4641, 5031, 5117, 5202, 5418, 6069, 6579, 7514, 7826, 9282, 9503, 10062, 10234, 11271, 11739, 12138, 12427, 13158, 13923, 15351, 18207, 19006, 22542, 23478, 24854, 26299, 27846, 28509, 30702, 33813, 35217, 36414, 37281, 46053, 52598, 57018, 66521, 67626, 70434, 74562, 78897, 85527, 86989, 92106, 111843, 133042, 157794, 161551, 171054, 173978, 199563, 223686, 236691, 260967, 323102, 399126, 473382, 484653, 521934, 598689, 782901, 969306, 1130857, 1197378, 1453959, 1565802, 2261714, 2907918, 3392571, 6785142, 10177713, 20355426]

約数ペア:

[(1, 20355426), (2, 10177713), (3, 6785142), (6, 3392571), (7, 2907918), (9, 2261714), (13, 1565802), (14, 1453959), (17, 1197378), (18, 1130857), (21, 969306), (26, 782901), (34, 598689), (39, 521934), (42, 484653), (43, 473382), (51, 399126), (63, 323102), (78, 260967), (86, 236691), (91, 223686), (102, 199563), (117, 173978), (119, 171054), (126, 161551), (129, 157794), (153, 133042), (182, 111843), (221, 92106), (234, 86989), (238, 85527), (258, 78897), (273, 74562), (289, 70434), (301, 67626), (306, 66521), (357, 57018), (387, 52598), (442, 46053), (546, 37281), (559, 36414), (578, 35217), (602, 33813), (663, 30702), (714, 28509), (731, 27846), (774, 26299), (819, 24854), (867, 23478), (903, 22542), (1071, 19006), (1118, 18207), (1326, 15351), (1462, 13923), (1547, 13158), (1638, 12427), (1677, 12138), (1734, 11739), (1806, 11271), (1989, 10234), (2023, 10062), (2142, 9503), (2193, 9282), (2601, 7826), (2709, 7514), (3094, 6579), (3354, 6069), (3757, 5418), (3913, 5202), (3978, 5117), (4046, 5031), (4386, 4641)]