20199784850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{367603}}^1$

素因数の和:367779

約数の個数: 48

約数和(自身を含む): 43212585408

約数和(自身を除く): 23012800558

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 157, 175, 314, 350, 785, 1099, 1570, 2198, 3925, 5495, 7850, 10990, 27475, 54950, 367603, 735206, 1838015, 2573221, 3676030, 5146442, 9190075, 12866105, 18380150, 25732210, 57713671, 64330525, 115427342, 128661050, 288568355, 403995697, 577136710, 807991394, 1442841775, 2019978485, 2885683550, 4039956970, 10099892425, 20199784850]

約数ペア:

[(1, 20199784850), (2, 10099892425), (5, 4039956970), (7, 2885683550), (10, 2019978485), (14, 1442841775), (25, 807991394), (35, 577136710), (50, 403995697), (70, 288568355), (157, 128661050), (175, 115427342), (314, 64330525), (350, 57713671), (785, 25732210), (1099, 18380150), (1570, 12866105), (2198, 9190075), (3925, 5146442), (5495, 3676030), (7850, 2573221), (10990, 1838015), (27475, 735206), (54950, 367603)]