20293035

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1231}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 37373952

約数和(自身を除く): 17080917

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 157, 471, 785, 1099, 1231, 2355, 3297, 3693, 5495, 6155, 8617, 16485, 18465, 25851, 43085, 129255, 193267, 579801, 966335, 1352869, 2899005, 4058607, 6764345, 20293035]

約数ペア:

[(1, 20293035), (3, 6764345), (5, 4058607), (7, 2899005), (15, 1352869), (21, 966335), (35, 579801), (105, 193267), (157, 129255), (471, 43085), (785, 25851), (1099, 18465), (1231, 16485), (2355, 8617), (3297, 6155), (3693, 5495)]