20064081632

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{309937}}^1$

素因数の和:309988

約数の個数: 72

約数和(自身を含む): 47956086864

約数和(自身を除く): 27892005232

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 289, 476, 544, 578, 952, 1156, 1904, 2023, 2312, 3808, 4046, 4624, 8092, 9248, 16184, 32368, 64736, 309937, 619874, 1239748, 2169559, 2479496, 4339118, 4958992, 5268929, 8678236, 9917984, 10537858, 17356472, 21075716, 34712944, 36882503, 42151432, 69425888, 73765006, 84302864, 89571793, 147530012, 168605728, 179143586, 295060024, 358287172, 590120048, 627002551, 716574344, 1180240096, 1254005102, 1433148688, 2508010204, 2866297376, 5016020408, 10032040816, 20064081632]

約数ペア:

[(1, 20064081632), (2, 10032040816), (4, 5016020408), (7, 2866297376), (8, 2508010204), (14, 1433148688), (16, 1254005102), (17, 1180240096), (28, 716574344), (32, 627002551), (34, 590120048), (56, 358287172), (68, 295060024), (112, 179143586), (119, 168605728), (136, 147530012), (224, 89571793), (238, 84302864), (272, 73765006), (289, 69425888), (476, 42151432), (544, 36882503), (578, 34712944), (952, 21075716), (1156, 17356472), (1904, 10537858), (2023, 9917984), (2312, 8678236), (3808, 5268929), (4046, 4958992), (4624, 4339118), (8092, 2479496), (9248, 2169559), (16184, 1239748), (32368, 619874), (64736, 309937)]