20956726

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1759}}^1$

素因数の和:1828

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 17566154

約数列:

[1, 2, 7, 14, 23, 37, 46, 74, 161, 259, 322, 518, 851, 1702, 1759, 3518, 5957, 11914, 12313, 24626, 40457, 65083, 80914, 130166, 283199, 455581, 566398, 911162, 1496909, 2993818, 10478363, 20956726]

約数ペア:

[(1, 20956726), (2, 10478363), (7, 2993818), (14, 1496909), (23, 911162), (37, 566398), (46, 455581), (74, 283199), (161, 130166), (259, 80914), (322, 65083), (518, 40457), (851, 24626), (1702, 12313), (1759, 11914), (3518, 5957)]