20679616

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:341

約数の個数: 56

約数和(自身を含む): 44165520

約数和(自身を除く): 23485904

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 83, 136, 166, 229, 272, 332, 458, 544, 664, 916, 1088, 1328, 1411, 1832, 2656, 2822, 3664, 3893, 5312, 5644, 7328, 7786, 11288, 14656, 15572, 19007, 22576, 31144, 38014, 45152, 62288, 76028, 90304, 124576, 152056, 249152, 304112, 323119, 608224, 646238, 1216448, 1292476, 2584952, 5169904, 10339808, 20679616]

約数ペア:

[(1, 20679616), (2, 10339808), (4, 5169904), (8, 2584952), (16, 1292476), (17, 1216448), (32, 646238), (34, 608224), (64, 323119), (68, 304112), (83, 249152), (136, 152056), (166, 124576), (229, 90304), (272, 76028), (332, 62288), (458, 45152), (544, 38014), (664, 31144), (916, 22576), (1088, 19007), (1328, 15572), (1411, 14656), (1832, 11288), (2656, 7786), (2822, 7328), (3664, 5644), (3893, 5312)]