20618988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132173}}^1$

素因数の和:132193

約数の個数: 24

約数和(自身を含む): 51812208

約数和(自身を除く): 31193220

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132173, 264346, 396519, 528692, 793038, 1586076, 1718249, 3436498, 5154747, 6872996, 10309494, 20618988]

約数ペア:

[(1, 20618988), (2, 10309494), (3, 6872996), (4, 5154747), (6, 3436498), (12, 1718249), (13, 1586076), (26, 793038), (39, 528692), (52, 396519), (78, 264346), (156, 132173)]