20969442

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{3319}}^1$

素因数の和:3349

約数の個数: 48

約数和(自身を含む): 50756160

約数和(自身を除く): 29786718

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 1053, 2106, 3159, 3319, 6318, 6638, 9957, 19914, 29871, 43147, 59742, 86294, 89613, 129441, 179226, 258882, 268839, 388323, 537678, 776646, 806517, 1164969, 1613034, 2329938, 3494907, 6989814, 10484721, 20969442]

約数ペア:

[(1, 20969442), (2, 10484721), (3, 6989814), (6, 3494907), (9, 2329938), (13, 1613034), (18, 1164969), (26, 806517), (27, 776646), (39, 537678), (54, 388323), (78, 268839), (81, 258882), (117, 179226), (162, 129441), (234, 89613), (243, 86294), (351, 59742), (486, 43147), (702, 29871), (1053, 19914), (2106, 9957), (3159, 6638), (3319, 6318)]