20653812

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 72

約数和(自身を含む): 55608000

約数和(自身を除く): 34954188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 199, 279, 372, 398, 558, 597, 796, 837, 961, 1116, 1194, 1674, 1791, 1922, 2388, 2883, 3348, 3582, 3844, 5373, 5766, 6169, 7164, 8649, 10746, 11532, 12338, 17298, 18507, 21492, 24676, 25947, 34596, 37014, 51894, 55521, 74028, 103788, 111042, 166563, 191239, 222084, 333126, 382478, 573717, 666252, 764956, 1147434, 1721151, 2294868, 3442302, 5163453, 6884604, 10326906, 20653812]

約数ペア:

[(1, 20653812), (2, 10326906), (3, 6884604), (4, 5163453), (6, 3442302), (9, 2294868), (12, 1721151), (18, 1147434), (27, 764956), (31, 666252), (36, 573717), (54, 382478), (62, 333126), (93, 222084), (108, 191239), (124, 166563), (186, 111042), (199, 103788), (279, 74028), (372, 55521), (398, 51894), (558, 37014), (597, 34596), (796, 25947), (837, 24676), (961, 21492), (1116, 18507), (1194, 17298), (1674, 12338), (1791, 11532), (1922, 10746), (2388, 8649), (2883, 7164), (3348, 6169), (3582, 5766), (3844, 5373)]