20751432

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{293}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 56306880

約数和(自身を除く): 35555448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 227, 293, 312, 454, 586, 681, 879, 908, 1172, 1362, 1758, 1816, 2344, 2724, 2951, 3516, 3809, 5448, 5902, 7032, 7618, 8853, 11427, 11804, 15236, 17706, 22854, 23608, 30472, 35412, 45708, 66511, 70824, 91416, 133022, 199533, 266044, 399066, 532088, 798132, 864643, 1596264, 1729286, 2593929, 3458572, 5187858, 6917144, 10375716, 20751432]

約数ペア:

[(1, 20751432), (2, 10375716), (3, 6917144), (4, 5187858), (6, 3458572), (8, 2593929), (12, 1729286), (13, 1596264), (24, 864643), (26, 798132), (39, 532088), (52, 399066), (78, 266044), (104, 199533), (156, 133022), (227, 91416), (293, 70824), (312, 66511), (454, 45708), (586, 35412), (681, 30472), (879, 23608), (908, 22854), (1172, 17706), (1362, 15236), (1758, 11804), (1816, 11427), (2344, 8853), (2724, 7618), (2951, 7032), (3516, 5902), (3809, 5448)]