20020746256

素因数分解:

$2^4\times 7^1\times {\mathrm{293}}^1\times {\mathrm{521}}^1\times {\mathrm{1171}}^1$

素因数の和:2000

約数の個数: 80

約数和(自身を含む): 44606395008

約数和(自身を除く): 24585648752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 293, 521, 586, 1042, 1171, 1172, 2051, 2084, 2342, 2344, 3647, 4102, 4168, 4684, 4688, 7294, 8197, 8204, 8336, 9368, 14588, 16394, 16408, 18736, 29176, 32788, 32816, 58352, 65576, 131152, 152653, 305306, 343103, 610091, 610612, 686206, 1068571, 1220182, 1221224, 1372412, 2137142, 2401721, 2440364, 2442448, 2744824, 4270637, 4274284, 4803442, 4880728, 5489648, 8541274, 8548568, 9606884, 9761456, 17082548, 17097136, 19213768, 34165096, 38427536, 68330192, 178756663, 357513326, 715026652, 1251296641, 1430053304, 2502593282, 2860106608, 5005186564, 10010373128, 20020746256]

約数ペア:

[(1, 20020746256), (2, 10010373128), (4, 5005186564), (7, 2860106608), (8, 2502593282), (14, 1430053304), (16, 1251296641), (28, 715026652), (56, 357513326), (112, 178756663), (293, 68330192), (521, 38427536), (586, 34165096), (1042, 19213768), (1171, 17097136), (1172, 17082548), (2051, 9761456), (2084, 9606884), (2342, 8548568), (2344, 8541274), (3647, 5489648), (4102, 4880728), (4168, 4803442), (4684, 4274284), (4688, 4270637), (7294, 2744824), (8197, 2442448), (8204, 2440364), (8336, 2401721), (9368, 2137142), (14588, 1372412), (16394, 1221224), (16408, 1220182), (18736, 1068571), (29176, 686206), (32788, 610612), (32816, 610091), (58352, 343103), (65576, 305306), (131152, 152653)]