20792002

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 20576318

約数列:

[1, 2, 7, 11, 14, 22, 37, 41, 74, 77, 82, 89, 154, 178, 259, 287, 407, 451, 518, 574, 623, 814, 902, 979, 1246, 1517, 1958, 2849, 3034, 3157, 3293, 3649, 5698, 6314, 6586, 6853, 7298, 10619, 13706, 16687, 21238, 23051, 25543, 33374, 36223, 40139, 46102, 51086, 72446, 80278, 116809, 135013, 233618, 253561, 270026, 280973, 507122, 561946, 945091, 1485143, 1890182, 2970286, 10396001, 20792002]

約数ペア:

[(1, 20792002), (2, 10396001), (7, 2970286), (11, 1890182), (14, 1485143), (22, 945091), (37, 561946), (41, 507122), (74, 280973), (77, 270026), (82, 253561), (89, 233618), (154, 135013), (178, 116809), (259, 80278), (287, 72446), (407, 51086), (451, 46102), (518, 40139), (574, 36223), (623, 33374), (814, 25543), (902, 23051), (979, 21238), (1246, 16687), (1517, 13706), (1958, 10619), (2849, 7298), (3034, 6853), (3157, 6586), (3293, 6314), (3649, 5698)]