20840778

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23629}}^1$

素因数の和:23651

約数の個数: 36

約数和(自身を含む): 52529490

約数和(自身を除く): 31688712

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 23629, 47258, 70887, 141774, 165403, 212661, 330806, 425322, 496209, 992418, 1157821, 1488627, 2315642, 2977254, 3473463, 6946926, 10420389, 20840778]

約数ペア:

[(1, 20840778), (2, 10420389), (3, 6946926), (6, 3473463), (7, 2977254), (9, 2315642), (14, 1488627), (18, 1157821), (21, 992418), (42, 496209), (49, 425322), (63, 330806), (98, 212661), (126, 165403), (147, 141774), (294, 70887), (441, 47258), (882, 23629)]