20145125637

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{17837}}^1$

素因数の和:18067

約数の個数: 72

約数和(自身を含む): 36640179576

約数和(自身を除く): 16495053939

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 197, 273, 441, 591, 637, 819, 1379, 1773, 1911, 2561, 4137, 5733, 7683, 9653, 12411, 17837, 17927, 23049, 28959, 53511, 53781, 86877, 124859, 125489, 160533, 161343, 231881, 374577, 376467, 695643, 874013, 1123731, 1129401, 1623167, 2086929, 2622039, 3513889, 4869501, 7866117, 10541667, 11362169, 14608503, 24597223, 31625001, 34086507, 45680557, 73791669, 102259521, 137041671, 172180561, 221375007, 319763899, 411125013, 516541683, 959291697, 1549625049, 2238347293, 2877875091, 6715041879, 20145125637]

約数ペア:

[(1, 20145125637), (3, 6715041879), (7, 2877875091), (9, 2238347293), (13, 1549625049), (21, 959291697), (39, 516541683), (49, 411125013), (63, 319763899), (91, 221375007), (117, 172180561), (147, 137041671), (197, 102259521), (273, 73791669), (441, 45680557), (591, 34086507), (637, 31625001), (819, 24597223), (1379, 14608503), (1773, 11362169), (1911, 10541667), (2561, 7866117), (4137, 4869501), (5733, 3513889), (7683, 2622039), (9653, 2086929), (12411, 1623167), (17837, 1129401), (17927, 1123731), (23049, 874013), (28959, 695643), (53511, 376467), (53781, 374577), (86877, 231881), (124859, 161343), (125489, 160533)]