20888911695

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{320063}}^1$

素因数の和:320319

約数の個数: 32

約数和(自身を含む): 35335065600

約数和(自身を除く): 14446153905

約数列:

[1, 3, 5, 15, 19, 57, 95, 229, 285, 687, 1145, 3435, 4351, 13053, 21755, 65265, 320063, 960189, 1600315, 4800945, 6081197, 18243591, 30405985, 73294427, 91217955, 219883281, 366472135, 1099416405, 1392594113, 4177782339, 6962970565, 20888911695]

約数ペア:

[(1, 20888911695), (3, 6962970565), (5, 4177782339), (15, 1392594113), (19, 1099416405), (57, 366472135), (95, 219883281), (229, 91217955), (285, 73294427), (687, 30405985), (1145, 18243591), (3435, 6081197), (4351, 4800945), (13053, 1600315), (21755, 960189), (65265, 320063)]