20651232

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:488

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 42247968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 79, 84, 96, 112, 158, 168, 224, 237, 316, 336, 389, 474, 553, 632, 672, 778, 948, 1106, 1167, 1264, 1556, 1659, 1896, 2212, 2334, 2528, 2723, 3112, 3318, 3792, 4424, 4668, 5446, 6224, 6636, 7584, 8169, 8848, 9336, 10892, 12448, 13272, 16338, 17696, 18672, 21784, 26544, 30731, 32676, 37344, 43568, 53088, 61462, 65352, 87136, 92193, 122924, 130704, 184386, 215117, 245848, 261408, 368772, 430234, 491696, 645351, 737544, 860468, 983392, 1290702, 1475088, 1720936, 2581404, 2950176, 3441872, 5162808, 6883744, 10325616, 20651232]

約数ペア:

[(1, 20651232), (2, 10325616), (3, 6883744), (4, 5162808), (6, 3441872), (7, 2950176), (8, 2581404), (12, 1720936), (14, 1475088), (16, 1290702), (21, 983392), (24, 860468), (28, 737544), (32, 645351), (42, 491696), (48, 430234), (56, 368772), (79, 261408), (84, 245848), (96, 215117), (112, 184386), (158, 130704), (168, 122924), (224, 92193), (237, 87136), (316, 65352), (336, 61462), (389, 53088), (474, 43568), (553, 37344), (632, 32676), (672, 30731), (778, 26544), (948, 21784), (1106, 18672), (1167, 17696), (1264, 16338), (1556, 13272), (1659, 12448), (1896, 10892), (2212, 9336), (2334, 8848), (2528, 8169), (2723, 7584), (3112, 6636), (3318, 6224), (3792, 5446), (4424, 4668)]