20808018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15013}}^1$

素因数の和:15039

約数の個数: 48

約数和(自身を含む): 56212416

約数和(自身を除く): 35404398

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15013, 30026, 45039, 90078, 105091, 135117, 165143, 210182, 270234, 315273, 330286, 495429, 630546, 945819, 990858, 1156001, 1486287, 1891638, 2312002, 2972574, 3468003, 6936006, 10404009, 20808018]

約数ペア:

[(1, 20808018), (2, 10404009), (3, 6936006), (6, 3468003), (7, 2972574), (9, 2312002), (11, 1891638), (14, 1486287), (18, 1156001), (21, 990858), (22, 945819), (33, 630546), (42, 495429), (63, 330286), (66, 315273), (77, 270234), (99, 210182), (126, 165143), (154, 135117), (198, 105091), (231, 90078), (462, 45039), (693, 30026), (1386, 15013)]