20156821631

素因数分解:

${\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{653}}^1\times {\mathrm{2311}}^1$

素因数の和:3039

約数の個数: 24

約数和(自身を含む): 21891430944

約数和(自身を除く): 1734609313

約数列:

[1, 19, 37, 361, 653, 703, 2311, 12407, 13357, 24161, 43909, 85507, 235733, 459059, 834271, 1509083, 1624633, 8722121, 28672577, 30868027, 55836071, 544778963, 1060885349, 20156821631]

約数ペア:

[(1, 20156821631), (19, 1060885349), (37, 544778963), (361, 55836071), (653, 30868027), (703, 28672577), (2311, 8722121), (12407, 1624633), (13357, 1509083), (24161, 834271), (43909, 459059), (85507, 235733)]