820920308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{830891}}^1$

素因数の和:830927

約数の個数: 24

約数和(自身を含む): 1628548320

約数和(自身を除く): 807628012

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 830891, 1661782, 3323564, 10801583, 15786929, 21603166, 31573858, 43206332, 63147716, 205230077, 410460154, 820920308]

約数ペア:

[(1, 820920308), (2, 410460154), (4, 205230077), (13, 63147716), (19, 43206332), (26, 31573858), (38, 21603166), (52, 15786929), (76, 10801583), (247, 3323564), (494, 1661782), (988, 830891)]