20962424

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 47132160

約数和(自身を除く): 26169736

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 67, 74, 134, 148, 151, 259, 268, 296, 302, 469, 518, 536, 604, 938, 1036, 1057, 1208, 1876, 2072, 2114, 2479, 3752, 4228, 4958, 5587, 8456, 9916, 10117, 11174, 17353, 19832, 20234, 22348, 34706, 39109, 40468, 44696, 69412, 70819, 78218, 80936, 138824, 141638, 156436, 283276, 312872, 374329, 566552, 748658, 1497316, 2620303, 2994632, 5240606, 10481212, 20962424]

約数ペア:

[(1, 20962424), (2, 10481212), (4, 5240606), (7, 2994632), (8, 2620303), (14, 1497316), (28, 748658), (37, 566552), (56, 374329), (67, 312872), (74, 283276), (134, 156436), (148, 141638), (151, 138824), (259, 80936), (268, 78218), (296, 70819), (302, 69412), (469, 44696), (518, 40468), (536, 39109), (604, 34706), (938, 22348), (1036, 20234), (1057, 19832), (1208, 17353), (1876, 11174), (2072, 10117), (2114, 9916), (2479, 8456), (3752, 5587), (4228, 4958)]