16915220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{120823}}^1$

素因数の和:120839

約数の個数: 24

約数和(自身を含む): 40596864

約数和(自身を除く): 23681644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 120823, 241646, 483292, 604115, 845761, 1208230, 1691522, 2416460, 3383044, 4228805, 8457610, 16915220]

約数ペア:

[(1, 16915220), (2, 8457610), (4, 4228805), (5, 3383044), (7, 2416460), (10, 1691522), (14, 1208230), (20, 845761), (28, 604115), (35, 483292), (70, 241646), (140, 120823)]