20120855447

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{1009}}^1\times {\mathrm{36997}}^1$

素因数の和:38031

約数の個数: 24

約数和(自身を含む): 25559698320

約数和(自身を除く): 5438842873

約数列:

[1, 7, 11, 49, 77, 539, 1009, 7063, 11099, 36997, 49441, 77693, 258979, 406967, 543851, 1812853, 2848769, 19941383, 37329973, 261309811, 410629703, 1829168677, 2874407921, 20120855447]

約数ペア:

[(1, 20120855447), (7, 2874407921), (11, 1829168677), (49, 410629703), (77, 261309811), (539, 37329973), (1009, 19941383), (7063, 2848769), (11099, 1812853), (36997, 543851), (49441, 406967), (77693, 258979)]