20753744

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3187}}^1$

素因数の和:3243

約数の個数: 40

約数和(自身を含む): 45065568

約数和(自身を除く): 24311824

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 3187, 3256, 6374, 6512, 12748, 25496, 35057, 50992, 70114, 117919, 140228, 235838, 280456, 471676, 560912, 943352, 1297109, 1886704, 2594218, 5188436, 10376872, 20753744]

約数ペア:

[(1, 20753744), (2, 10376872), (4, 5188436), (8, 2594218), (11, 1886704), (16, 1297109), (22, 943352), (37, 560912), (44, 471676), (74, 280456), (88, 235838), (148, 140228), (176, 117919), (296, 70114), (407, 50992), (592, 35057), (814, 25496), (1628, 12748), (3187, 6512), (3256, 6374)]