20696616

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:523

約数の個数: 96

約数和(自身を含む): 61088040

約数和(自身を除く): 40391424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 37, 51, 68, 72, 74, 102, 111, 136, 148, 153, 204, 222, 296, 306, 333, 408, 444, 457, 612, 629, 666, 888, 914, 1224, 1258, 1332, 1371, 1828, 1887, 2516, 2664, 2742, 3656, 3774, 4113, 5032, 5484, 5661, 7548, 7769, 8226, 10968, 11322, 15096, 15538, 16452, 16909, 22644, 23307, 31076, 32904, 33818, 45288, 46614, 50727, 62152, 67636, 69921, 93228, 101454, 135272, 139842, 152181, 186456, 202908, 279684, 287453, 304362, 405816, 559368, 574906, 608724, 862359, 1149812, 1217448, 1724718, 2299624, 2587077, 3449436, 5174154, 6898872, 10348308, 20696616]

約数ペア:

[(1, 20696616), (2, 10348308), (3, 6898872), (4, 5174154), (6, 3449436), (8, 2587077), (9, 2299624), (12, 1724718), (17, 1217448), (18, 1149812), (24, 862359), (34, 608724), (36, 574906), (37, 559368), (51, 405816), (68, 304362), (72, 287453), (74, 279684), (102, 202908), (111, 186456), (136, 152181), (148, 139842), (153, 135272), (204, 101454), (222, 93228), (296, 69921), (306, 67636), (333, 62152), (408, 50727), (444, 46614), (457, 45288), (612, 33818), (629, 32904), (666, 31076), (888, 23307), (914, 22644), (1224, 16909), (1258, 16452), (1332, 15538), (1371, 15096), (1828, 11322), (1887, 10968), (2516, 8226), (2664, 7769), (2742, 7548), (3656, 5661), (3774, 5484), (4113, 5032)]