20786346

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{829}}^1$

素因数の和:1043

約数の個数: 48

約数和(自身を含む): 51792000

約数和(自身を除く): 31005654

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 199, 398, 597, 829, 1194, 1393, 1658, 1791, 2487, 2786, 3582, 4179, 4974, 5803, 7461, 8358, 11606, 12537, 14922, 17409, 25074, 34818, 52227, 104454, 164971, 329942, 494913, 989826, 1154797, 1484739, 2309594, 2969478, 3464391, 6928782, 10393173, 20786346]

約数ペア:

[(1, 20786346), (2, 10393173), (3, 6928782), (6, 3464391), (7, 2969478), (9, 2309594), (14, 1484739), (18, 1154797), (21, 989826), (42, 494913), (63, 329942), (126, 164971), (199, 104454), (398, 52227), (597, 34818), (829, 25074), (1194, 17409), (1393, 14922), (1658, 12537), (1791, 11606), (2487, 8358), (2786, 7461), (3582, 5803), (4179, 4974)]