20695850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2039}}^1$

素因数の和:2087

約数の個数: 48

約数和(自身を含む): 45532800

約数和(自身を除く): 24836950

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 145, 175, 203, 290, 350, 406, 725, 1015, 1450, 2030, 2039, 4078, 5075, 10150, 10195, 14273, 20390, 28546, 50975, 59131, 71365, 101950, 118262, 142730, 295655, 356825, 413917, 591310, 713650, 827834, 1478275, 2069585, 2956550, 4139170, 10347925, 20695850]

約数ペア:

[(1, 20695850), (2, 10347925), (5, 4139170), (7, 2956550), (10, 2069585), (14, 1478275), (25, 827834), (29, 713650), (35, 591310), (50, 413917), (58, 356825), (70, 295655), (145, 142730), (175, 118262), (203, 101950), (290, 71365), (350, 59131), (406, 50975), (725, 28546), (1015, 20390), (1450, 14273), (2030, 10195), (2039, 10150), (4078, 5075)]