20523488

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1275

約数の個数: 48

約数和(自身を含む): 44198784

約数和(自身を除く): 23675296

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 1217, 2108, 2434, 4216, 4868, 8432, 9736, 16864, 19472, 20689, 37727, 38944, 41378, 75454, 82756, 150908, 165512, 301816, 331024, 603632, 641359, 662048, 1207264, 1282718, 2565436, 5130872, 10261744, 20523488]

約数ペア:

[(1, 20523488), (2, 10261744), (4, 5130872), (8, 2565436), (16, 1282718), (17, 1207264), (31, 662048), (32, 641359), (34, 603632), (62, 331024), (68, 301816), (124, 165512), (136, 150908), (248, 82756), (272, 75454), (496, 41378), (527, 38944), (544, 37727), (992, 20689), (1054, 19472), (1217, 16864), (2108, 9736), (2434, 8432), (4216, 4868)]