20031795

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3347}}^1$

素因数の和:3384

約数の個数: 48

約数和(自身を含む): 41783040

約数和(自身を除く): 21751245

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 3347, 5985, 10041, 16735, 23429, 30123, 50205, 63593, 70287, 117145, 150615, 190779, 210861, 317965, 351435, 445151, 572337, 953895, 1054305, 1335453, 2225755, 2861685, 4006359, 6677265, 20031795]

約数ペア:

[(1, 20031795), (3, 6677265), (5, 4006359), (7, 2861685), (9, 2225755), (15, 1335453), (19, 1054305), (21, 953895), (35, 572337), (45, 445151), (57, 351435), (63, 317965), (95, 210861), (105, 190779), (133, 150615), (171, 117145), (285, 70287), (315, 63593), (399, 50205), (665, 30123), (855, 23429), (1197, 16735), (1995, 10041), (3347, 5985)]