20197632039

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1997}}^1$

素因数の和:2256

約数の個数: 64

約数和(自身を含む): 30680584704

約数和(自身を除く): 10482952665

約数列:

[1, 3, 13, 37, 39, 43, 111, 129, 163, 481, 489, 559, 1443, 1591, 1677, 1997, 2119, 4773, 5991, 6031, 6357, 7009, 18093, 20683, 21027, 25961, 62049, 73889, 77883, 78403, 85871, 91117, 221667, 235209, 257613, 259333, 273351, 325511, 777999, 960557, 976533, 1116323, 2881671, 3177227, 3348969, 3371329, 4231643, 9531681, 10113987, 12043907, 12694929, 13996973, 36131721, 41303951, 41990919, 123911853, 156570791, 181960649, 469712373, 517888001, 545881947, 1553664003, 6732544013, 20197632039]

約数ペア:

[(1, 20197632039), (3, 6732544013), (13, 1553664003), (37, 545881947), (39, 517888001), (43, 469712373), (111, 181960649), (129, 156570791), (163, 123911853), (481, 41990919), (489, 41303951), (559, 36131721), (1443, 13996973), (1591, 12694929), (1677, 12043907), (1997, 10113987), (2119, 9531681), (4773, 4231643), (5991, 3371329), (6031, 3348969), (6357, 3177227), (7009, 2881671), (18093, 1116323), (20683, 976533), (21027, 960557), (25961, 777999), (62049, 325511), (73889, 273351), (77883, 259333), (78403, 257613), (85871, 235209), (91117, 221667)]