20392394708

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1\times {\mathrm{12377}}^1$

素因数の和:12589

約数の個数: 72

約数和(自身を含む): 43311909312

約数和(自身を除く): 22919514604

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 163, 266, 326, 361, 532, 652, 722, 1141, 1444, 2282, 2527, 3097, 4564, 5054, 6194, 10108, 12377, 12388, 21679, 24754, 43358, 49508, 58843, 86639, 86716, 117686, 173278, 235163, 235372, 346556, 411901, 470326, 823802, 940652, 1646141, 1647604, 2017451, 3292282, 4034902, 4468097, 6584564, 8069804, 8936194, 14122157, 17872388, 28244314, 31276679, 38331569, 56488628, 62553358, 76663138, 125106716, 153326276, 268320983, 536641966, 728299811, 1073283932, 1456599622, 2913199244, 5098098677, 10196197354, 20392394708]

約数ペア:

[(1, 20392394708), (2, 10196197354), (4, 5098098677), (7, 2913199244), (14, 1456599622), (19, 1073283932), (28, 728299811), (38, 536641966), (76, 268320983), (133, 153326276), (163, 125106716), (266, 76663138), (326, 62553358), (361, 56488628), (532, 38331569), (652, 31276679), (722, 28244314), (1141, 17872388), (1444, 14122157), (2282, 8936194), (2527, 8069804), (3097, 6584564), (4564, 4468097), (5054, 4034902), (6194, 3292282), (10108, 2017451), (12377, 1647604), (12388, 1646141), (21679, 940652), (24754, 823802), (43358, 470326), (49508, 411901), (58843, 346556), (86639, 235372), (86716, 235163), (117686, 173278)]