20589828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7907}}^1$

素因数の和:7952

約数の個数: 48

約数和(自身を含む): 56684544

約数和(自身を除く): 36094716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 7907, 15814, 23721, 31628, 47442, 55349, 94884, 110698, 166047, 221396, 245117, 332094, 490234, 664188, 735351, 980468, 1470702, 1715819, 2941404, 3431638, 5147457, 6863276, 10294914, 20589828]

約数ペア:

[(1, 20589828), (2, 10294914), (3, 6863276), (4, 5147457), (6, 3431638), (7, 2941404), (12, 1715819), (14, 1470702), (21, 980468), (28, 735351), (31, 664188), (42, 490234), (62, 332094), (84, 245117), (93, 221396), (124, 166047), (186, 110698), (217, 94884), (372, 55349), (434, 47442), (651, 31628), (868, 23721), (1302, 15814), (2604, 7907)]