20343721510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{96329}}^1$

素因数の和:96781

約数の個数: 48

約数和(自身を含む): 42696538560

約数和(自身を除く): 22352817050

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 431, 490, 862, 2155, 3017, 4310, 6034, 15085, 21119, 30170, 42238, 96329, 105595, 192658, 211190, 481645, 674303, 963290, 1348606, 3371515, 4720121, 6743030, 9440242, 23600605, 41517799, 47201210, 83035598, 207588995, 290624593, 415177990, 581249186, 1453122965, 2034372151, 2906245930, 4068744302, 10171860755, 20343721510]

約数ペア:

[(1, 20343721510), (2, 10171860755), (5, 4068744302), (7, 2906245930), (10, 2034372151), (14, 1453122965), (35, 581249186), (49, 415177990), (70, 290624593), (98, 207588995), (245, 83035598), (431, 47201210), (490, 41517799), (862, 23600605), (2155, 9440242), (3017, 6743030), (4310, 4720121), (6034, 3371515), (15085, 1348606), (21119, 963290), (30170, 674303), (42238, 481645), (96329, 211190), (105595, 192658)]