20793809855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3491}}^1$

素因数の和:3601

約数の個数: 96

約数和(自身を含む): 33127626240

約数和(自身を除く): 12333816385

約数列:

[1, 5, 7, 13, 19, 35, 53, 65, 91, 95, 133, 169, 247, 265, 371, 455, 665, 689, 845, 1007, 1183, 1235, 1729, 1855, 3211, 3445, 3491, 4823, 5035, 5915, 7049, 8645, 8957, 13091, 16055, 17455, 22477, 24115, 24437, 35245, 44785, 45383, 62699, 65455, 66329, 91637, 112385, 122185, 170183, 185023, 226915, 313495, 317681, 331645, 458185, 464303, 589979, 850915, 862277, 925115, 1191281, 1295161, 1588405, 2321515, 2405299, 2949895, 3515437, 4129853, 4311385, 5956405, 6035939, 6475805, 11209601, 12026495, 16837093, 17577185, 20649265, 24608059, 30179695, 31268887, 45700681, 56048005, 78467207, 84185465, 123040295, 156344435, 218882209, 228503405, 319904767, 392336035, 594108853, 1094411045, 1599523835, 2970544265, 4158761971, 20793809855]

約数ペア:

[(1, 20793809855), (5, 4158761971), (7, 2970544265), (13, 1599523835), (19, 1094411045), (35, 594108853), (53, 392336035), (65, 319904767), (91, 228503405), (95, 218882209), (133, 156344435), (169, 123040295), (247, 84185465), (265, 78467207), (371, 56048005), (455, 45700681), (665, 31268887), (689, 30179695), (845, 24608059), (1007, 20649265), (1183, 17577185), (1235, 16837093), (1729, 12026495), (1855, 11209601), (3211, 6475805), (3445, 6035939), (3491, 5956405), (4823, 4311385), (5035, 4129853), (5915, 3515437), (7049, 2949895), (8645, 2405299), (8957, 2321515), (13091, 1588405), (16055, 1295161), (17455, 1191281), (22477, 925115), (24115, 862277), (24437, 850915), (35245, 589979), (44785, 464303), (45383, 458185), (62699, 331645), (65455, 317681), (66329, 313495), (91637, 226915), (112385, 185023), (122185, 170183)]