20189656445

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2009921}}^1$

素因数の和:2009981

約数の個数: 24

約数和(自身を含む): 28870519608

約数和(自身を除く): 8680863163

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 1435, 2009, 10045, 2009921, 10049605, 14069447, 70347235, 82406761, 98486129, 412033805, 492430645, 576847327, 2884236635, 4037931289, 20189656445]

約数ペア:

[(1, 20189656445), (5, 4037931289), (7, 2884236635), (35, 576847327), (41, 492430645), (49, 412033805), (205, 98486129), (245, 82406761), (287, 70347235), (1435, 14069447), (2009, 10049605), (10045, 2009921)]