20121529912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1644991}}^1$

素因数の和:1645147

約数の個数: 32

約数和(自身を含む): 41453798400

約数和(自身を除く): 21332268488

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 3058, 6116, 12232, 1644991, 3289982, 6579964, 13159928, 18094901, 36189802, 72379604, 144759208, 228653749, 457307498, 914614996, 1829229992, 2515191239, 5030382478, 10060764956, 20121529912]

約数ペア:

[(1, 20121529912), (2, 10060764956), (4, 5030382478), (8, 2515191239), (11, 1829229992), (22, 914614996), (44, 457307498), (88, 228653749), (139, 144759208), (278, 72379604), (556, 36189802), (1112, 18094901), (1529, 13159928), (3058, 6579964), (6116, 3289982), (12232, 1644991)]