20832406

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 37078272

約数和(自身を除く): 16245866

約数列:

[1, 2, 7, 14, 37, 74, 131, 259, 262, 307, 518, 614, 917, 1834, 2149, 4298, 4847, 9694, 11359, 22718, 33929, 40217, 67858, 79513, 80434, 159026, 281519, 563038, 1488029, 2976058, 10416203, 20832406]

約数ペア:

[(1, 20832406), (2, 10416203), (7, 2976058), (14, 1488029), (37, 563038), (74, 281519), (131, 159026), (259, 80434), (262, 79513), (307, 67858), (518, 40217), (614, 33929), (917, 22718), (1834, 11359), (2149, 9694), (4298, 4847)]