20729355

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^2\times {\mathrm{397}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 33823632

約数和(自身を除く): 13094277

約数列:

[1, 3, 5, 15, 59, 177, 295, 397, 885, 1191, 1985, 3481, 5955, 10443, 17405, 23423, 52215, 70269, 117115, 351345, 1381957, 4145871, 6909785, 20729355]

約数ペア:

[(1, 20729355), (3, 6909785), (5, 4145871), (15, 1381957), (59, 351345), (177, 117115), (295, 70269), (397, 52215), (885, 23423), (1191, 17405), (1985, 10443), (3481, 5955)]