20015344

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23603}}^1$

素因数の和:23664

約数の個数: 20

約数和(自身を含む): 39513096

約数和(自身を除く): 19497752

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23603, 47206, 94412, 188824, 377648, 1250959, 2501918, 5003836, 10007672, 20015344]

約数ペア:

[(1, 20015344), (2, 10007672), (4, 5003836), (8, 2501918), (16, 1250959), (53, 377648), (106, 188824), (212, 94412), (424, 47206), (848, 23603)]