20199442768

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40724683}}^1$

素因数の和:40724722

約数の個数: 20

約数和(自身を含む): 40398886528

約数和(自身を除く): 20199443760

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40724683, 81449366, 162898732, 325797464, 651594928, 1262465173, 2524930346, 5049860692, 10099721384, 20199442768]

約数ペア:

[(1, 20199442768), (2, 10099721384), (4, 5049860692), (8, 2524930346), (16, 1262465173), (31, 651594928), (62, 325797464), (124, 162898732), (248, 81449366), (496, 40724683)]