20158483990

素因数分解:

$2^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{3256621}}^1$

素因数の和:3257247

約数の個数: 16

約数和(自身を含む): 36343901520

約数和(自身を除く): 16185417530

約数列:

[1, 2, 5, 10, 619, 1238, 3095, 6190, 3256621, 6513242, 16283105, 32566210, 2015848399, 4031696798, 10079241995, 20158483990]

約数ペア:

[(1, 20158483990), (2, 10079241995), (5, 4031696798), (10, 2015848399), (619, 32566210), (1238, 16283105), (3095, 6513242), (6190, 3256621)]