20165720608

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{26437}}^1$

素因数の和:26666

約数の個数: 72

約数和(自身を含む): 43861752396

約数和(自身を除く): 23696031788

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 197, 242, 352, 394, 484, 788, 968, 1576, 1936, 2167, 3152, 3872, 4334, 6304, 8668, 17336, 23837, 26437, 34672, 47674, 52874, 69344, 95348, 105748, 190696, 211496, 290807, 381392, 422992, 581614, 762784, 845984, 1163228, 2326456, 3198877, 4652912, 5208089, 6397754, 9305824, 10416178, 12795508, 20832356, 25591016, 41664712, 51182032, 57288979, 83329424, 102364064, 114577958, 166658848, 229155916, 458311832, 630178769, 916623664, 1260357538, 1833247328, 2520715076, 5041430152, 10082860304, 20165720608]

約数ペア:

[(1, 20165720608), (2, 10082860304), (4, 5041430152), (8, 2520715076), (11, 1833247328), (16, 1260357538), (22, 916623664), (32, 630178769), (44, 458311832), (88, 229155916), (121, 166658848), (176, 114577958), (197, 102364064), (242, 83329424), (352, 57288979), (394, 51182032), (484, 41664712), (788, 25591016), (968, 20832356), (1576, 12795508), (1936, 10416178), (2167, 9305824), (3152, 6397754), (3872, 5208089), (4334, 4652912), (6304, 3198877), (8668, 2326456), (17336, 1163228), (23837, 845984), (26437, 762784), (34672, 581614), (47674, 422992), (52874, 381392), (69344, 290807), (95348, 211496), (105748, 190696)]