20072840

素因数分解:

$2^3\times 5^1\times {\mathrm{501821}}^1$

素因数の和:501832

約数の個数: 16

約数和(自身を含む): 45163980

約数和(自身を除く): 25091140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 501821, 1003642, 2007284, 2509105, 4014568, 5018210, 10036420, 20072840]

約数ペア:

[(1, 20072840), (2, 10036420), (4, 5018210), (5, 4014568), (8, 2509105), (10, 2007284), (20, 1003642), (40, 501821)]