20484516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131311}}^1$

素因数の和:131331

約数の個数: 24

約数和(自身を含む): 51474304

約数和(自身を除く): 30989788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131311, 262622, 393933, 525244, 787866, 1575732, 1707043, 3414086, 5121129, 6828172, 10242258, 20484516]

約数ペア:

[(1, 20484516), (2, 10242258), (3, 6828172), (4, 5121129), (6, 3414086), (12, 1707043), (13, 1575732), (26, 787866), (39, 525244), (52, 393933), (78, 262622), (156, 131311)]