12959860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20903}}^1$

素因数の和:20943

約数の個数: 24

約数和(自身を含む): 28094976

約数和(自身を除く): 15135116

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 20903, 41806, 83612, 104515, 209030, 418060, 647993, 1295986, 2591972, 3239965, 6479930, 12959860]

約数ペア:

[(1, 12959860), (2, 6479930), (4, 3239965), (5, 2591972), (10, 1295986), (20, 647993), (31, 418060), (62, 209030), (124, 104515), (155, 83612), (310, 41806), (620, 20903)]