20341288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2383}}^1$

素因数の和:2497

約数の個数: 32

約数和(自身を含む): 42053760

約数和(自身を除く): 21712472

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 194, 388, 776, 1067, 2134, 2383, 4268, 4766, 8536, 9532, 19064, 26213, 52426, 104852, 209704, 231151, 462302, 924604, 1849208, 2542661, 5085322, 10170644, 20341288]

約数ペア:

[(1, 20341288), (2, 10170644), (4, 5085322), (8, 2542661), (11, 1849208), (22, 924604), (44, 462302), (88, 231151), (97, 209704), (194, 104852), (388, 52426), (776, 26213), (1067, 19064), (2134, 9532), (2383, 8536), (4268, 4766)]