20168945406

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61603}}^1$

素因数の和:61707

約数の個数: 80

約数和(自身を含む): 47229076224

約数和(自身を除く): 27060130818

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 47, 54, 81, 86, 94, 129, 141, 162, 258, 282, 387, 423, 774, 846, 1161, 1269, 2021, 2322, 2538, 3483, 3807, 4042, 6063, 6966, 7614, 12126, 18189, 36378, 54567, 61603, 109134, 123206, 163701, 184809, 327402, 369618, 554427, 1108854, 1663281, 2648929, 2895341, 3326562, 4989843, 5297858, 5790682, 7946787, 8686023, 9979686, 15893574, 17372046, 23840361, 26058069, 47680722, 52116138, 71521083, 78174207, 124499663, 143042166, 156348414, 214563249, 234522621, 248999326, 373498989, 429126498, 469045242, 746997978, 1120496967, 2240993934, 3361490901, 6722981802, 10084472703, 20168945406]

約数ペア:

[(1, 20168945406), (2, 10084472703), (3, 6722981802), (6, 3361490901), (9, 2240993934), (18, 1120496967), (27, 746997978), (43, 469045242), (47, 429126498), (54, 373498989), (81, 248999326), (86, 234522621), (94, 214563249), (129, 156348414), (141, 143042166), (162, 124499663), (258, 78174207), (282, 71521083), (387, 52116138), (423, 47680722), (774, 26058069), (846, 23840361), (1161, 17372046), (1269, 15893574), (2021, 9979686), (2322, 8686023), (2538, 7946787), (3483, 5790682), (3807, 5297858), (4042, 4989843), (6063, 3326562), (6966, 2895341), (7614, 2648929), (12126, 1663281), (18189, 1108854), (36378, 554427), (54567, 369618), (61603, 327402), (109134, 184809), (123206, 163701)]