20270358

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 28251882

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 71, 102, 142, 153, 213, 306, 311, 426, 459, 622, 639, 918, 933, 1207, 1278, 1866, 1917, 2414, 2799, 3621, 3834, 5287, 5598, 7242, 8397, 10574, 10863, 15861, 16794, 21726, 22081, 31722, 32589, 44162, 47583, 65178, 66243, 95166, 132486, 142749, 198729, 285498, 375377, 397458, 596187, 750754, 1126131, 1192374, 2252262, 3378393, 6756786, 10135179, 20270358]

約数ペア:

[(1, 20270358), (2, 10135179), (3, 6756786), (6, 3378393), (9, 2252262), (17, 1192374), (18, 1126131), (27, 750754), (34, 596187), (51, 397458), (54, 375377), (71, 285498), (102, 198729), (142, 142749), (153, 132486), (213, 95166), (306, 66243), (311, 65178), (426, 47583), (459, 44162), (622, 32589), (639, 31722), (918, 22081), (933, 21726), (1207, 16794), (1278, 15861), (1866, 10863), (1917, 10574), (2414, 8397), (2799, 7242), (3621, 5598), (3834, 5287)]