20327702960

素因数分解:

$2^4\times 5^1\times {\mathrm{254096287}}^1$

素因数の和:254096300

約数の個数: 20

約数和(自身を含む): 47261909568

約数和(自身を除く): 26934206608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 254096287, 508192574, 1016385148, 1270481435, 2032770296, 2540962870, 4065540592, 5081925740, 10163851480, 20327702960]

約数ペア:

[(1, 20327702960), (2, 10163851480), (4, 5081925740), (5, 4065540592), (8, 2540962870), (10, 2032770296), (16, 1270481435), (20, 1016385148), (40, 508192574), (80, 254096287)]