20121016328

素因数分解:

$2^3\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{345817}}^1$

素因数の和:346869

約数の個数: 32

約数和(自身を含む): 43158086400

約数和(自身を除く): 23037070072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1039, 2078, 4156, 7273, 8312, 14546, 29092, 58184, 345817, 691634, 1383268, 2420719, 2766536, 4841438, 9682876, 19365752, 359303863, 718607726, 1437215452, 2515127041, 2874430904, 5030254082, 10060508164, 20121016328]

約数ペア:

[(1, 20121016328), (2, 10060508164), (4, 5030254082), (7, 2874430904), (8, 2515127041), (14, 1437215452), (28, 718607726), (56, 359303863), (1039, 19365752), (2078, 9682876), (4156, 4841438), (7273, 2766536), (8312, 2420719), (14546, 1383268), (29092, 691634), (58184, 345817)]