20055700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{4093}}^1$

素因数の和:4121

約数の個数: 54

約数和(自身を含む): 50638686

約数和(自身を除く): 30582986

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4093, 4900, 8186, 16372, 20465, 28651, 40930, 57302, 81860, 102325, 114604, 143255, 200557, 204650, 286510, 401114, 409300, 573020, 716275, 802228, 1002785, 1432550, 2005570, 2865100, 4011140, 5013925, 10027850, 20055700]

約数ペア:

[(1, 20055700), (2, 10027850), (4, 5013925), (5, 4011140), (7, 2865100), (10, 2005570), (14, 1432550), (20, 1002785), (25, 802228), (28, 716275), (35, 573020), (49, 409300), (50, 401114), (70, 286510), (98, 204650), (100, 200557), (140, 143255), (175, 114604), (196, 102325), (245, 81860), (350, 57302), (490, 40930), (700, 28651), (980, 20465), (1225, 16372), (2450, 8186), (4093, 4900)]