20143395

素因数分解:

$3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{971}}^1$

素因数の和:1443

約数の個数: 24

約数和(自身を含む): 35026992

約数和(自身を除く): 14883597

約数列:

[1, 3, 5, 9, 15, 45, 461, 971, 1383, 2305, 2913, 4149, 4855, 6915, 8739, 14565, 20745, 43695, 447631, 1342893, 2238155, 4028679, 6714465, 20143395]

約数ペア:

[(1, 20143395), (3, 6714465), (5, 4028679), (9, 2238155), (15, 1342893), (45, 447631), (461, 43695), (971, 20745), (1383, 14565), (2305, 8739), (2913, 6915), (4149, 4855)]