20153990129

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{230941}}^1$

素因数の和:231105

約数の個数: 24

約数和(自身を含む): 25432256808

約数和(自身を除く): 5278266679

約数列:

[1, 7, 13, 49, 91, 137, 637, 959, 1781, 6713, 12467, 87269, 230941, 1616587, 3002233, 11316109, 21015631, 31638917, 147109417, 221472419, 411305921, 1550306933, 2879141447, 20153990129]

約数ペア:

[(1, 20153990129), (7, 2879141447), (13, 1550306933), (49, 411305921), (91, 221472419), (137, 147109417), (637, 31638917), (959, 21015631), (1781, 11316109), (6713, 3002233), (12467, 1616587), (87269, 230941)]