20855360

素因数分解:

$2^6\times 5^1\times {\mathrm{65173}}^1$

素因数の和:65190

約数の個数: 28

約数和(自身を含む): 49662588

約数和(自身を除く): 28807228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 65173, 130346, 260692, 325865, 521384, 651730, 1042768, 1303460, 2085536, 2606920, 4171072, 5213840, 10427680, 20855360]

約数ペア:

[(1, 20855360), (2, 10427680), (4, 5213840), (5, 4171072), (8, 2606920), (10, 2085536), (16, 1303460), (20, 1042768), (32, 651730), (40, 521384), (64, 325865), (80, 260692), (160, 130346), (320, 65173)]