20493515

素因数分解:

$5^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{359}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 28810080

約数和(自身を除く): 8316565

約数列:

[1, 5, 7, 35, 49, 233, 245, 359, 1165, 1631, 1795, 2513, 8155, 11417, 12565, 17591, 57085, 83647, 87955, 418235, 585529, 2927645, 4098703, 20493515]

約数ペア:

[(1, 20493515), (5, 4098703), (7, 2927645), (35, 585529), (49, 418235), (233, 87955), (245, 83647), (359, 57085), (1165, 17591), (1631, 12565), (1795, 11417), (2513, 8155)]