20512695350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1890571}}^1$

素因数の和:1890621

約数の個数: 48

約数和(自身を含む): 45010738176

約数和(自身を除く): 24498042826

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 1085, 1550, 2170, 5425, 10850, 1890571, 3781142, 9452855, 13233997, 18905710, 26467994, 47264275, 58607701, 66169985, 94528550, 117215402, 132339970, 293038505, 330849925, 410253907, 586077010, 661699850, 820507814, 1465192525, 2051269535, 2930385050, 4102539070, 10256347675, 20512695350]

約数ペア:

[(1, 20512695350), (2, 10256347675), (5, 4102539070), (7, 2930385050), (10, 2051269535), (14, 1465192525), (25, 820507814), (31, 661699850), (35, 586077010), (50, 410253907), (62, 330849925), (70, 293038505), (155, 132339970), (175, 117215402), (217, 94528550), (310, 66169985), (350, 58607701), (434, 47264275), (775, 26467994), (1085, 18905710), (1550, 13233997), (2170, 9452855), (5425, 3781142), (10850, 1890571)]