20121674455

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{509603}}^1$

素因数の和:509810

約数の個数: 16

約数和(自身を含む): 24766754400

約数和(自身を除く): 4645079945

約数列:

[1, 5, 53, 149, 265, 745, 7897, 39485, 509603, 2548015, 27008959, 75930847, 135044795, 379654235, 4024334891, 20121674455]

約数ペア:

[(1, 20121674455), (5, 4024334891), (53, 379654235), (149, 135044795), (265, 75930847), (745, 27008959), (7897, 2548015), (39485, 509603)]