20119638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 52399872

約数和(自身を除く): 32280234

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 37, 42, 66, 74, 77, 107, 111, 121, 154, 214, 222, 231, 242, 259, 321, 363, 407, 462, 518, 642, 726, 749, 777, 814, 847, 1177, 1221, 1498, 1554, 1694, 2247, 2354, 2442, 2541, 2849, 3531, 3959, 4477, 4494, 5082, 5698, 7062, 7918, 8239, 8547, 8954, 11877, 12947, 13431, 16478, 17094, 23754, 24717, 25894, 26862, 27713, 31339, 38841, 43549, 49434, 55426, 62678, 77682, 83139, 87098, 90629, 94017, 130647, 166278, 181258, 188034, 261294, 271887, 304843, 479039, 543774, 609686, 914529, 958078, 1437117, 1829058, 2874234, 3353273, 6706546, 10059819, 20119638]

約数ペア:

[(1, 20119638), (2, 10059819), (3, 6706546), (6, 3353273), (7, 2874234), (11, 1829058), (14, 1437117), (21, 958078), (22, 914529), (33, 609686), (37, 543774), (42, 479039), (66, 304843), (74, 271887), (77, 261294), (107, 188034), (111, 181258), (121, 166278), (154, 130647), (214, 94017), (222, 90629), (231, 87098), (242, 83139), (259, 77682), (321, 62678), (363, 55426), (407, 49434), (462, 43549), (518, 38841), (642, 31339), (726, 27713), (749, 26862), (777, 25894), (814, 24717), (847, 23754), (1177, 17094), (1221, 16478), (1498, 13431), (1554, 12947), (1694, 11877), (2247, 8954), (2354, 8547), (2442, 8239), (2541, 7918), (2849, 7062), (3531, 5698), (3959, 5082), (4477, 4494)]