20189274

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1659

約数の個数: 48

約数和(自身を含む): 48093408

約数和(自身を除く): 27904134

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1597, 1806, 2107, 3194, 4214, 4791, 6321, 9582, 11179, 12642, 22358, 33537, 67074, 68671, 78253, 137342, 156506, 206013, 234759, 412026, 469518, 480697, 961394, 1442091, 2884182, 3364879, 6729758, 10094637, 20189274]

約数ペア:

[(1, 20189274), (2, 10094637), (3, 6729758), (6, 3364879), (7, 2884182), (14, 1442091), (21, 961394), (42, 480697), (43, 469518), (49, 412026), (86, 234759), (98, 206013), (129, 156506), (147, 137342), (258, 78253), (294, 68671), (301, 67074), (602, 33537), (903, 22358), (1597, 12642), (1806, 11179), (2107, 9582), (3194, 6321), (4214, 4791)]