20619976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{599}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 41832000

約数和(自身を除く): 21212024

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 331, 599, 662, 1198, 1324, 2396, 2648, 4303, 4792, 7787, 8606, 15574, 17212, 31148, 34424, 62296, 198269, 396538, 793076, 1586152, 2577497, 5154994, 10309988, 20619976]

約数ペア:

[(1, 20619976), (2, 10309988), (4, 5154994), (8, 2577497), (13, 1586152), (26, 793076), (52, 396538), (104, 198269), (331, 62296), (599, 34424), (662, 31148), (1198, 17212), (1324, 15574), (2396, 8606), (2648, 7787), (4303, 4792)]