2020907515

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{389}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 2768613120

約数和(自身を除く): 747705605

約数列:

[1, 5, 11, 31, 55, 121, 155, 277, 341, 389, 605, 1385, 1705, 1945, 3047, 3751, 4279, 8587, 12059, 15235, 18755, 21395, 33517, 42935, 47069, 60295, 94457, 107753, 132649, 167585, 235345, 472285, 538765, 663245, 1039027, 1185283, 1459139, 3340343, 5195135, 5926415, 7295695, 13038113, 16701715, 36743773, 65190565, 183718865, 404181503, 2020907515]

約数ペア:

[(1, 2020907515), (5, 404181503), (11, 183718865), (31, 65190565), (55, 36743773), (121, 16701715), (155, 13038113), (277, 7295695), (341, 5926415), (389, 5195135), (605, 3340343), (1385, 1459139), (1705, 1185283), (1945, 1039027), (3047, 663245), (3751, 538765), (4279, 472285), (8587, 235345), (12059, 167585), (15235, 132649), (18755, 107753), (21395, 94457), (33517, 60295), (42935, 47069)]