20662873

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1801}}^1$

素因数の和:1968

約数の個数: 16

約数和(自身を含む): 25948800

約数和(自身を除く): 5285927

約数列:

[1, 7, 11, 77, 149, 1043, 1639, 1801, 11473, 12607, 19811, 138677, 268349, 1878443, 2951839, 20662873]

約数ペア:

[(1, 20662873), (7, 2951839), (11, 1878443), (77, 268349), (149, 138677), (1043, 19811), (1639, 12607), (1801, 11473)]