201820828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{77743}}^1$

素因数の和:77817

約数の個数: 24

約数和(自身を含む): 391829760

約数和(自身を除く): 190008932

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 77743, 155486, 310972, 855173, 1710346, 3420692, 4586837, 9173674, 18347348, 50455207, 100910414, 201820828]

約数ペア:

[(1, 201820828), (2, 100910414), (4, 50455207), (11, 18347348), (22, 9173674), (44, 4586837), (59, 3420692), (118, 1710346), (236, 855173), (649, 310972), (1298, 155486), (2596, 77743)]