20175435

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3371}}^1$

素因数の和:3408

約数の個数: 48

約数和(自身を含む): 42082560

約数和(自身を除く): 21907125

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, 3371, 5985, 10113, 16855, 23597, 30339, 50565, 64049, 70791, 117985, 151695, 192147, 212373, 320245, 353955, 448343, 576441, 960735, 1061865, 1345029, 2241715, 2882205, 4035087, 6725145, 20175435]

約数ペア:

[(1, 20175435), (3, 6725145), (5, 4035087), (7, 2882205), (9, 2241715), (15, 1345029), (19, 1061865), (21, 960735), (35, 576441), (45, 448343), (57, 353955), (63, 320245), (95, 212373), (105, 192147), (133, 151695), (171, 117985), (285, 70791), (315, 64049), (399, 50565), (665, 30339), (855, 23597), (1197, 16855), (1995, 10113), (3371, 5985)]