20300350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1921

約数の個数: 48

約数和(自身を含む): 44568576

約数和(自身を除く): 24268226

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 1085, 1550, 1871, 2170, 3742, 5425, 9355, 10850, 13097, 18710, 26194, 46775, 58001, 65485, 93550, 116002, 130970, 290005, 327425, 406007, 580010, 654850, 812014, 1450025, 2030035, 2900050, 4060070, 10150175, 20300350]

約数ペア:

[(1, 20300350), (2, 10150175), (5, 4060070), (7, 2900050), (10, 2030035), (14, 1450025), (25, 812014), (31, 654850), (35, 580010), (50, 406007), (62, 327425), (70, 290005), (155, 130970), (175, 116002), (217, 93550), (310, 65485), (350, 58001), (434, 46775), (775, 26194), (1085, 18710), (1550, 13097), (1871, 10850), (2170, 9355), (3742, 5425)]