20154834

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1553}}^1$

素因数の和:1671

約数の個数: 48

約数和(自身を含む): 50424192

約数和(自身を除く): 30269358

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 103, 126, 206, 309, 618, 721, 927, 1442, 1553, 1854, 2163, 3106, 4326, 4659, 6489, 9318, 10871, 12978, 13977, 21742, 27954, 32613, 65226, 97839, 159959, 195678, 319918, 479877, 959754, 1119713, 1439631, 2239426, 2879262, 3359139, 6718278, 10077417, 20154834]

約数ペア:

[(1, 20154834), (2, 10077417), (3, 6718278), (6, 3359139), (7, 2879262), (9, 2239426), (14, 1439631), (18, 1119713), (21, 959754), (42, 479877), (63, 319918), (103, 195678), (126, 159959), (206, 97839), (309, 65226), (618, 32613), (721, 27954), (927, 21742), (1442, 13977), (1553, 12978), (1854, 10871), (2163, 9318), (3106, 6489), (4326, 4659)]