20173453956

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1783}}^1\times {\mathrm{7309}}^1$

素因数の和:9145

約数の個数: 72

約数和(自身を含む): 52216324160

約数和(自身を除く): 32042870204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 1783, 3566, 5349, 7132, 7309, 10698, 14618, 16047, 21396, 21927, 29236, 32094, 43854, 64188, 65781, 76669, 87708, 131562, 153338, 230007, 263124, 306676, 314287, 460014, 628574, 690021, 920028, 942861, 1257148, 1380042, 1885722, 2760084, 2828583, 3771444, 5657166, 11314332, 13031947, 26063894, 39095841, 52127788, 78191682, 117287523, 156383364, 234575046, 469150092, 560373721, 1120747442, 1681121163, 2241494884, 3362242326, 5043363489, 6724484652, 10086726978, 20173453956]

約数ペア:

[(1, 20173453956), (2, 10086726978), (3, 6724484652), (4, 5043363489), (6, 3362242326), (9, 2241494884), (12, 1681121163), (18, 1120747442), (36, 560373721), (43, 469150092), (86, 234575046), (129, 156383364), (172, 117287523), (258, 78191682), (387, 52127788), (516, 39095841), (774, 26063894), (1548, 13031947), (1783, 11314332), (3566, 5657166), (5349, 3771444), (7132, 2828583), (7309, 2760084), (10698, 1885722), (14618, 1380042), (16047, 1257148), (21396, 942861), (21927, 920028), (29236, 690021), (32094, 628574), (43854, 460014), (64188, 314287), (65781, 306676), (76669, 263124), (87708, 230007), (131562, 153338)]