20652618

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 48427200

約数和(自身を除く): 27774582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 199, 294, 353, 398, 597, 706, 1059, 1194, 1393, 2118, 2471, 2786, 4179, 4942, 7413, 8358, 9751, 14826, 17297, 19502, 29253, 34594, 51891, 58506, 70247, 103782, 140494, 210741, 421482, 491729, 983458, 1475187, 2950374, 3442103, 6884206, 10326309, 20652618]

約数ペア:

[(1, 20652618), (2, 10326309), (3, 6884206), (6, 3442103), (7, 2950374), (14, 1475187), (21, 983458), (42, 491729), (49, 421482), (98, 210741), (147, 140494), (199, 103782), (294, 70247), (353, 58506), (398, 51891), (597, 34594), (706, 29253), (1059, 19502), (1194, 17297), (1393, 14826), (2118, 9751), (2471, 8358), (2786, 7413), (4179, 4942)]