20111563312

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{453617}}^1$

素因数の和:453805

約数の個数: 40

約数和(自身を含む): 41511490416

約数和(自身を除く): 21399927104

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 163, 272, 326, 652, 1304, 2608, 2771, 5542, 11084, 22168, 44336, 453617, 907234, 1814468, 3628936, 7257872, 7711489, 15422978, 30845956, 61691912, 73939571, 123383824, 147879142, 295758284, 591516568, 1183033136, 1256972707, 2513945414, 5027890828, 10055781656, 20111563312]

約数ペア:

[(1, 20111563312), (2, 10055781656), (4, 5027890828), (8, 2513945414), (16, 1256972707), (17, 1183033136), (34, 591516568), (68, 295758284), (136, 147879142), (163, 123383824), (272, 73939571), (326, 61691912), (652, 30845956), (1304, 15422978), (2608, 7711489), (2771, 7257872), (5542, 3628936), (11084, 1814468), (22168, 907234), (44336, 453617)]