20691552

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:812

約数の個数: 96

約数和(自身を含む): 63673344

約数和(自身を除く): 42981792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 56, 82, 84, 96, 112, 123, 164, 168, 224, 246, 287, 328, 336, 492, 574, 656, 672, 751, 861, 984, 1148, 1312, 1502, 1722, 1968, 2253, 2296, 3004, 3444, 3936, 4506, 4592, 5257, 6008, 6888, 9012, 9184, 10514, 12016, 13776, 15771, 18024, 21028, 24032, 27552, 30791, 31542, 36048, 42056, 61582, 63084, 72096, 84112, 92373, 123164, 126168, 168224, 184746, 215537, 246328, 252336, 369492, 431074, 492656, 504672, 646611, 738984, 862148, 985312, 1293222, 1477968, 1724296, 2586444, 2955936, 3448592, 5172888, 6897184, 10345776, 20691552]

約数ペア:

[(1, 20691552), (2, 10345776), (3, 6897184), (4, 5172888), (6, 3448592), (7, 2955936), (8, 2586444), (12, 1724296), (14, 1477968), (16, 1293222), (21, 985312), (24, 862148), (28, 738984), (32, 646611), (41, 504672), (42, 492656), (48, 431074), (56, 369492), (82, 252336), (84, 246328), (96, 215537), (112, 184746), (123, 168224), (164, 126168), (168, 123164), (224, 92373), (246, 84112), (287, 72096), (328, 63084), (336, 61582), (492, 42056), (574, 36048), (656, 31542), (672, 30791), (751, 27552), (861, 24032), (984, 21028), (1148, 18024), (1312, 15771), (1502, 13776), (1722, 12016), (1968, 10514), (2253, 9184), (2296, 9012), (3004, 6888), (3444, 6008), (3936, 5257), (4506, 4592)]