20121042784

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{36987211}}^1$

素因数の和:36987238

約数の個数: 24

約数和(自身を含む): 41943498408

約数和(自身を除く): 21822455624

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 36987211, 73974422, 147948844, 295897688, 591795376, 628782587, 1183590752, 1257565174, 2515130348, 5030260696, 10060521392, 20121042784]

約数ペア:

[(1, 20121042784), (2, 10060521392), (4, 5030260696), (8, 2515130348), (16, 1257565174), (17, 1183590752), (32, 628782587), (34, 591795376), (68, 295897688), (136, 147948844), (272, 73974422), (544, 36987211)]