20304705

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 33675264

約数和(自身を除く): 13370559

約数列:

[1, 3, 5, 15, 47, 83, 141, 235, 249, 347, 415, 705, 1041, 1245, 1735, 3901, 5205, 11703, 16309, 19505, 28801, 48927, 58515, 81545, 86403, 144005, 244635, 432015, 1353647, 4060941, 6768235, 20304705]

約数ペア:

[(1, 20304705), (3, 6768235), (5, 4060941), (15, 1353647), (47, 432015), (83, 244635), (141, 144005), (235, 86403), (249, 81545), (347, 58515), (415, 48927), (705, 28801), (1041, 19505), (1245, 16309), (1735, 11703), (3901, 5205)]