20892636

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 55362944

約数和(自身を除く): 34470308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 97, 124, 186, 193, 194, 279, 291, 372, 386, 388, 558, 579, 582, 772, 873, 1116, 1158, 1164, 1737, 1746, 2316, 3007, 3474, 3492, 5983, 6014, 6948, 9021, 11966, 12028, 17949, 18042, 18721, 23932, 27063, 35898, 36084, 37442, 53847, 54126, 56163, 71796, 74884, 107694, 108252, 112326, 168489, 215388, 224652, 336978, 580351, 673956, 1160702, 1741053, 2321404, 3482106, 5223159, 6964212, 10446318, 20892636]

約数ペア:

[(1, 20892636), (2, 10446318), (3, 6964212), (4, 5223159), (6, 3482106), (9, 2321404), (12, 1741053), (18, 1160702), (31, 673956), (36, 580351), (62, 336978), (93, 224652), (97, 215388), (124, 168489), (186, 112326), (193, 108252), (194, 107694), (279, 74884), (291, 71796), (372, 56163), (386, 54126), (388, 53847), (558, 37442), (579, 36084), (582, 35898), (772, 27063), (873, 23932), (1116, 18721), (1158, 18042), (1164, 17949), (1737, 12028), (1746, 11966), (2316, 9021), (3007, 6948), (3474, 6014), (3492, 5983)]