20174994567

素因数分解:

$3^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{130337}}^1$

素因数の和:130379

約数の個数: 72

約数和(自身を含む): 37859539536

約数和(自身を除く): 17684544969

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 189, 243, 273, 351, 441, 567, 637, 819, 1053, 1323, 1701, 1911, 2457, 3159, 3969, 5733, 7371, 11907, 17199, 22113, 51597, 130337, 154791, 391011, 912359, 1173033, 1694381, 2737077, 3519099, 5083143, 6386513, 8211231, 10557297, 11860667, 15249429, 19159539, 24633693, 31671891, 35582001, 45748287, 57478617, 73901079, 83024669, 106746003, 137244861, 172435851, 221703237, 249074007, 320238009, 411734583, 517307553, 747222021, 960714027, 1551922659, 2241666063, 2882142081, 6724998189, 20174994567]

約数ペア:

[(1, 20174994567), (3, 6724998189), (7, 2882142081), (9, 2241666063), (13, 1551922659), (21, 960714027), (27, 747222021), (39, 517307553), (49, 411734583), (63, 320238009), (81, 249074007), (91, 221703237), (117, 172435851), (147, 137244861), (189, 106746003), (243, 83024669), (273, 73901079), (351, 57478617), (441, 45748287), (567, 35582001), (637, 31671891), (819, 24633693), (1053, 19159539), (1323, 15249429), (1701, 11860667), (1911, 10557297), (2457, 8211231), (3159, 6386513), (3969, 5083143), (5733, 3519099), (7371, 2737077), (11907, 1694381), (17199, 1173033), (22113, 912359), (51597, 391011), (130337, 154791)]