20589701984

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{929}}^1\times {\mathrm{18719}}^1$

素因数の和:19695

約数の個数: 48

約数和(自身を含む): 41678582400

約数和(自身を除く): 21088880416

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 592, 929, 1184, 1858, 3716, 7432, 14864, 18719, 29728, 34373, 37438, 68746, 74876, 137492, 149752, 274984, 299504, 549968, 599008, 692603, 1099936, 1385206, 2770412, 5540824, 11081648, 17389951, 22163296, 34779902, 69559804, 139119608, 278239216, 556478432, 643428187, 1286856374, 2573712748, 5147425496, 10294850992, 20589701984]

約数ペア:

[(1, 20589701984), (2, 10294850992), (4, 5147425496), (8, 2573712748), (16, 1286856374), (32, 643428187), (37, 556478432), (74, 278239216), (148, 139119608), (296, 69559804), (592, 34779902), (929, 22163296), (1184, 17389951), (1858, 11081648), (3716, 5540824), (7432, 2770412), (14864, 1385206), (18719, 1099936), (29728, 692603), (34373, 599008), (37438, 549968), (68746, 299504), (74876, 274984), (137492, 149752)]