20914896

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 120

約数和(自身を含む): 61228224

約数和(自身を除く): 40313328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 34, 38, 48, 51, 57, 68, 71, 76, 102, 114, 136, 142, 152, 204, 213, 228, 272, 284, 304, 323, 361, 408, 426, 456, 568, 646, 722, 816, 852, 912, 969, 1083, 1136, 1207, 1292, 1349, 1444, 1704, 1938, 2166, 2414, 2584, 2698, 2888, 3408, 3621, 3876, 4047, 4332, 4828, 5168, 5396, 5776, 6137, 7242, 7752, 8094, 8664, 9656, 10792, 12274, 14484, 15504, 16188, 17328, 18411, 19312, 21584, 22933, 24548, 25631, 28968, 32376, 36822, 45866, 49096, 51262, 57936, 64752, 68799, 73644, 76893, 91732, 98192, 102524, 137598, 147288, 153786, 183464, 205048, 275196, 294576, 307572, 366928, 410096, 435727, 550392, 615144, 871454, 1100784, 1230288, 1307181, 1742908, 2614362, 3485816, 5228724, 6971632, 10457448, 20914896]

約数ペア:

[(1, 20914896), (2, 10457448), (3, 6971632), (4, 5228724), (6, 3485816), (8, 2614362), (12, 1742908), (16, 1307181), (17, 1230288), (19, 1100784), (24, 871454), (34, 615144), (38, 550392), (48, 435727), (51, 410096), (57, 366928), (68, 307572), (71, 294576), (76, 275196), (102, 205048), (114, 183464), (136, 153786), (142, 147288), (152, 137598), (204, 102524), (213, 98192), (228, 91732), (272, 76893), (284, 73644), (304, 68799), (323, 64752), (361, 57936), (408, 51262), (426, 49096), (456, 45866), (568, 36822), (646, 32376), (722, 28968), (816, 25631), (852, 24548), (912, 22933), (969, 21584), (1083, 19312), (1136, 18411), (1207, 17328), (1292, 16188), (1349, 15504), (1444, 14484), (1704, 12274), (1938, 10792), (2166, 9656), (2414, 8664), (2584, 8094), (2698, 7752), (2888, 7242), (3408, 6137), (3621, 5776), (3876, 5396), (4047, 5168), (4332, 4828)]