20877626

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 40334112

約数和(自身を除く): 19456486

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 107, 154, 181, 214, 362, 539, 749, 1078, 1177, 1267, 1498, 1991, 2354, 2534, 3982, 5243, 8239, 8869, 10486, 13937, 16478, 17738, 19367, 27874, 38734, 57673, 97559, 115346, 135569, 195118, 213037, 271138, 426074, 948983, 1491259, 1897966, 2982518, 10438813, 20877626]

約数ペア:

[(1, 20877626), (2, 10438813), (7, 2982518), (11, 1897966), (14, 1491259), (22, 948983), (49, 426074), (77, 271138), (98, 213037), (107, 195118), (154, 135569), (181, 115346), (214, 97559), (362, 57673), (539, 38734), (749, 27874), (1078, 19367), (1177, 17738), (1267, 16478), (1498, 13937), (1991, 10486), (2354, 8869), (2534, 8239), (3982, 5243)]