20337015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 34727616

約数和(自身を除く): 14390601

約数列:

[1, 3, 5, 15, 17, 51, 85, 173, 255, 461, 519, 865, 1383, 2305, 2595, 2941, 6915, 7837, 8823, 14705, 23511, 39185, 44115, 79753, 117555, 239259, 398765, 1196295, 1355801, 4067403, 6779005, 20337015]

約数ペア:

[(1, 20337015), (3, 6779005), (5, 4067403), (15, 1355801), (17, 1196295), (51, 398765), (85, 239259), (173, 117555), (255, 79753), (461, 44115), (519, 39185), (865, 23511), (1383, 14705), (2305, 8823), (2595, 7837), (2941, 6915)]