13247220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31541}}^1$

素因数の和:31560

約数の個数: 48

約数和(自身を含む): 42392448

約数和(自身を除く): 29145228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 31541, 63082, 94623, 126164, 157705, 189246, 220787, 315410, 378492, 441574, 473115, 630820, 662361, 883148, 946230, 1103935, 1324722, 1892460, 2207870, 2649444, 3311805, 4415740, 6623610, 13247220]

約数ペア:

[(1, 13247220), (2, 6623610), (3, 4415740), (4, 3311805), (5, 2649444), (6, 2207870), (7, 1892460), (10, 1324722), (12, 1103935), (14, 946230), (15, 883148), (20, 662361), (21, 630820), (28, 473115), (30, 441574), (35, 378492), (42, 315410), (60, 220787), (70, 189246), (84, 157705), (105, 126164), (140, 94623), (210, 63082), (420, 31541)]