20355256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1543}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 40854240

約数和(自身を除く): 20498984

約数列:

[1, 2, 4, 8, 17, 34, 68, 97, 136, 194, 388, 776, 1543, 1649, 3086, 3298, 6172, 6596, 12344, 13192, 26231, 52462, 104924, 149671, 209848, 299342, 598684, 1197368, 2544407, 5088814, 10177628, 20355256]

約数ペア:

[(1, 20355256), (2, 10177628), (4, 5088814), (8, 2544407), (17, 1197368), (34, 598684), (68, 299342), (97, 209848), (136, 149671), (194, 104924), (388, 52462), (776, 26231), (1543, 13192), (1649, 12344), (3086, 6596), (3298, 6172)]