20289474

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{5147}}^1$

素因数の和:5231

約数の個数: 32

約数和(自身を含む): 45714240

約数和(自身を除く): 25424766

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 219, 438, 657, 1314, 1971, 3942, 5147, 10294, 15441, 30882, 46323, 92646, 138969, 277938, 375731, 751462, 1127193, 2254386, 3381579, 6763158, 10144737, 20289474]

約数ペア:

[(1, 20289474), (2, 10144737), (3, 6763158), (6, 3381579), (9, 2254386), (18, 1127193), (27, 751462), (54, 375731), (73, 277938), (146, 138969), (219, 92646), (438, 46323), (657, 30882), (1314, 15441), (1971, 10294), (3942, 5147)]