20153440

素因数分解:

$2^5\times 5^1\times {\mathrm{125959}}^1$

素因数の和:125974

約数の個数: 24

約数和(自身を含む): 47612880

約数和(自身を除く): 27459440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 125959, 251918, 503836, 629795, 1007672, 1259590, 2015344, 2519180, 4030688, 5038360, 10076720, 20153440]

約数ペア:

[(1, 20153440), (2, 10076720), (4, 5038360), (5, 4030688), (8, 2519180), (10, 2015344), (16, 1259590), (20, 1007672), (32, 629795), (40, 503836), (80, 251918), (160, 125959)]