20784882712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2653841}}^1$

素因数の和:2653947

約数の個数: 32

約数和(自身を含む): 42992240400

約数和(自身を除く): 22207357688

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 3916, 7832, 2653841, 5307682, 10615364, 21230728, 29192251, 58384502, 116769004, 233538008, 236191849, 472383698, 944767396, 1889534792, 2598110339, 5196220678, 10392441356, 20784882712]

約数ペア:

[(1, 20784882712), (2, 10392441356), (4, 5196220678), (8, 2598110339), (11, 1889534792), (22, 944767396), (44, 472383698), (88, 236191849), (89, 233538008), (178, 116769004), (356, 58384502), (712, 29192251), (979, 21230728), (1958, 10615364), (3916, 5307682), (7832, 2653841)]