20808468

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{8377}}^1$

素因数の和:8413

約数の個数: 48

約数和(自身を含む): 56300160

約数和(自身を除く): 35491692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 414, 621, 828, 1242, 2484, 8377, 16754, 25131, 33508, 50262, 75393, 100524, 150786, 192671, 226179, 301572, 385342, 452358, 578013, 770684, 904716, 1156026, 1734039, 2312052, 3468078, 5202117, 6936156, 10404234, 20808468]

約数ペア:

[(1, 20808468), (2, 10404234), (3, 6936156), (4, 5202117), (6, 3468078), (9, 2312052), (12, 1734039), (18, 1156026), (23, 904716), (27, 770684), (36, 578013), (46, 452358), (54, 385342), (69, 301572), (92, 226179), (108, 192671), (138, 150786), (207, 100524), (276, 75393), (414, 50262), (621, 33508), (828, 25131), (1242, 16754), (2484, 8377)]