20563998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37663}}^1$

素因数の和:37688

約数の個数: 32

約数和(自身を含む): 50620416

約数和(自身を除く): 30056418

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 37663, 75326, 112989, 225978, 263641, 489619, 527282, 790923, 979238, 1468857, 1581846, 2937714, 3427333, 6854666, 10281999, 20563998]

約数ペア:

[(1, 20563998), (2, 10281999), (3, 6854666), (6, 3427333), (7, 2937714), (13, 1581846), (14, 1468857), (21, 979238), (26, 790923), (39, 527282), (42, 489619), (78, 263641), (91, 225978), (182, 112989), (273, 75326), (546, 37663)]