20201261605

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{587}}^1\times {\mathrm{7393}}^1$

素因数の和:8018

約数の個数: 48

約数和(自身を含む): 29738076480

約数和(自身を除く): 9536814875

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 587, 665, 931, 2935, 4109, 4655, 7393, 11153, 20545, 28763, 36965, 51751, 55765, 78071, 140467, 143815, 258755, 362257, 390355, 546497, 702335, 983269, 1811285, 2732485, 4339691, 4916345, 6882883, 21698455, 30377837, 34414415, 82454129, 151889185, 212644859, 412270645, 577178903, 1063224295, 2885894515, 4040252321, 20201261605]

約数ペア:

[(1, 20201261605), (5, 4040252321), (7, 2885894515), (19, 1063224295), (35, 577178903), (49, 412270645), (95, 212644859), (133, 151889185), (245, 82454129), (587, 34414415), (665, 30377837), (931, 21698455), (2935, 6882883), (4109, 4916345), (4655, 4339691), (7393, 2732485), (11153, 1811285), (20545, 983269), (28763, 702335), (36965, 546497), (51751, 390355), (55765, 362257), (78071, 258755), (140467, 143815)]