20977424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100853}}^1$

素因数の和:100874

約数の個数: 20

約数和(自身を含む): 43770636

約数和(自身を除く): 22793212

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100853, 201706, 403412, 806824, 1311089, 1613648, 2622178, 5244356, 10488712, 20977424]

約数ペア:

[(1, 20977424), (2, 10488712), (4, 5244356), (8, 2622178), (13, 1613648), (16, 1311089), (26, 806824), (52, 403412), (104, 201706), (208, 100853)]