20681292

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{887}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 50722560

約数和(自身を除く): 30041268

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 67, 87, 116, 134, 174, 201, 268, 348, 402, 804, 887, 1774, 1943, 2661, 3548, 3886, 5322, 5829, 7772, 10644, 11658, 23316, 25723, 51446, 59429, 77169, 102892, 118858, 154338, 178287, 237716, 308676, 356574, 713148, 1723441, 3446882, 5170323, 6893764, 10340646, 20681292]

約数ペア:

[(1, 20681292), (2, 10340646), (3, 6893764), (4, 5170323), (6, 3446882), (12, 1723441), (29, 713148), (58, 356574), (67, 308676), (87, 237716), (116, 178287), (134, 154338), (174, 118858), (201, 102892), (268, 77169), (348, 59429), (402, 51446), (804, 25723), (887, 23316), (1774, 11658), (1943, 10644), (2661, 7772), (3548, 5829), (3886, 5322)]