20161795592

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:663

約数の個数: 128

約数和(自身を含む): 42012794880

約数和(自身を除く): 21850999288

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 71, 82, 127, 136, 142, 164, 254, 284, 328, 401, 508, 568, 697, 802, 1016, 1207, 1394, 1604, 2159, 2414, 2788, 2911, 3208, 4318, 4828, 5207, 5576, 5822, 6817, 8636, 9017, 9656, 10414, 11644, 13634, 16441, 17272, 18034, 20828, 23288, 27268, 28471, 32882, 36068, 41656, 49487, 50927, 54536, 56942, 65764, 72136, 88519, 98974, 101854, 113884, 131528, 153289, 177038, 197948, 203708, 227768, 279497, 306578, 354076, 369697, 395896, 407416, 484007, 558994, 613156, 708152, 739394, 865759, 968014, 1117988, 1167311, 1226312, 1478788, 1731518, 1936028, 2088007, 2235976, 2334622, 2957576, 3463036, 3615817, 3872056, 4176014, 4669244, 6284849, 6926072, 7231634, 8352028, 9338488, 12569698, 14463268, 16704056, 19844287, 25139396, 28926536, 35496119, 39688574, 50278792, 61468889, 70992238, 79377148, 122937778, 141984476, 148248497, 158754296, 245875556, 283968952, 296496994, 491751112, 592993988, 1185987976, 2520224449, 5040448898, 10080897796, 20161795592]

約数ペア:

[(1, 20161795592), (2, 10080897796), (4, 5040448898), (8, 2520224449), (17, 1185987976), (34, 592993988), (41, 491751112), (68, 296496994), (71, 283968952), (82, 245875556), (127, 158754296), (136, 148248497), (142, 141984476), (164, 122937778), (254, 79377148), (284, 70992238), (328, 61468889), (401, 50278792), (508, 39688574), (568, 35496119), (697, 28926536), (802, 25139396), (1016, 19844287), (1207, 16704056), (1394, 14463268), (1604, 12569698), (2159, 9338488), (2414, 8352028), (2788, 7231634), (2911, 6926072), (3208, 6284849), (4318, 4669244), (4828, 4176014), (5207, 3872056), (5576, 3615817), (5822, 3463036), (6817, 2957576), (8636, 2334622), (9017, 2235976), (9656, 2088007), (10414, 1936028), (11644, 1731518), (13634, 1478788), (16441, 1226312), (17272, 1167311), (18034, 1117988), (20828, 968014), (23288, 865759), (27268, 739394), (28471, 708152), (32882, 613156), (36068, 558994), (41656, 484007), (49487, 407416), (50927, 395896), (54536, 369697), (56942, 354076), (65764, 306578), (72136, 279497), (88519, 227768), (98974, 203708), (101854, 197948), (113884, 177038), (131528, 153289)]