20186838

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1223}}^1$

素因数の和:1369

約数の個数: 48

約数和(自身を含む): 50409216

約数和(自身を除く): 30222378

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 262, 393, 786, 917, 1179, 1223, 1834, 2358, 2446, 2751, 3669, 5502, 7338, 8253, 8561, 11007, 16506, 17122, 22014, 25683, 51366, 77049, 154098, 160213, 320426, 480639, 961278, 1121491, 1441917, 2242982, 2883834, 3364473, 6728946, 10093419, 20186838]

約数ペア:

[(1, 20186838), (2, 10093419), (3, 6728946), (6, 3364473), (7, 2883834), (9, 2242982), (14, 1441917), (18, 1121491), (21, 961278), (42, 480639), (63, 320426), (126, 160213), (131, 154098), (262, 77049), (393, 51366), (786, 25683), (917, 22014), (1179, 17122), (1223, 16506), (1834, 11007), (2358, 8561), (2446, 8253), (2751, 7338), (3669, 5502)]