20128544

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 42402528

約数和(自身を除く): 22273984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 163, 227, 272, 326, 454, 544, 652, 908, 1304, 1816, 2608, 2771, 3632, 3859, 5216, 5542, 7264, 7718, 11084, 15436, 22168, 30872, 37001, 44336, 61744, 74002, 88672, 123488, 148004, 296008, 592016, 629017, 1184032, 1258034, 2516068, 5032136, 10064272, 20128544]

約数ペア:

[(1, 20128544), (2, 10064272), (4, 5032136), (8, 2516068), (16, 1258034), (17, 1184032), (32, 629017), (34, 592016), (68, 296008), (136, 148004), (163, 123488), (227, 88672), (272, 74002), (326, 61744), (454, 44336), (544, 37001), (652, 30872), (908, 22168), (1304, 15436), (1816, 11084), (2608, 7718), (2771, 7264), (3632, 5542), (3859, 5216)]