20155367240

素因数分解:

$2^3\times 5^1\times {\mathrm{757}}^1\times {\mathrm{665633}}^1$

素因数の和:666401

約数の個数: 32

約数和(自身を含む): 45409551480

約数和(自身を除く): 25254184240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 757, 1514, 3028, 3785, 6056, 7570, 15140, 30280, 665633, 1331266, 2662532, 3328165, 5325064, 6656330, 13312660, 26625320, 503884181, 1007768362, 2015536724, 2519420905, 4031073448, 5038841810, 10077683620, 20155367240]

約数ペア:

[(1, 20155367240), (2, 10077683620), (4, 5038841810), (5, 4031073448), (8, 2519420905), (10, 2015536724), (20, 1007768362), (40, 503884181), (757, 26625320), (1514, 13312660), (3028, 6656330), (3785, 5325064), (6056, 3328165), (7570, 2662532), (15140, 1331266), (30280, 665633)]