20473691

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 24248256

約数和(自身を除く): 3774565

約数列:

[1, 7, 37, 137, 259, 577, 959, 4039, 5069, 21349, 35483, 79049, 149443, 553343, 2924813, 20473691]

約数ペア:

[(1, 20473691), (7, 2924813), (37, 553343), (137, 149443), (259, 79049), (577, 35483), (959, 21349), (4039, 5069)]