20630196

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13327}}^1$

素因数の和:13380

約数の個数: 36

約数和(自身を含む): 53365312

約数和(自身を除く): 32735116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13327, 26654, 39981, 53308, 79962, 119943, 159924, 239886, 479772, 573061, 1146122, 1719183, 2292244, 3438366, 5157549, 6876732, 10315098, 20630196]

約数ペア:

[(1, 20630196), (2, 10315098), (3, 6876732), (4, 5157549), (6, 3438366), (9, 2292244), (12, 1719183), (18, 1146122), (36, 573061), (43, 479772), (86, 239886), (129, 159924), (172, 119943), (258, 79962), (387, 53308), (516, 39981), (774, 26654), (1548, 13327)]