20539190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15443}}^1$

素因数の和:15476

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 23939530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15443, 30886, 77215, 108101, 154430, 216202, 293417, 540505, 586834, 1081010, 1467085, 2053919, 2934170, 4107838, 10269595, 20539190]

約数ペア:

[(1, 20539190), (2, 10269595), (5, 4107838), (7, 2934170), (10, 2053919), (14, 1467085), (19, 1081010), (35, 586834), (38, 540505), (70, 293417), (95, 216202), (133, 154430), (190, 108101), (266, 77215), (665, 30886), (1330, 15443)]