20880403456

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{30389}}^1$

素因数の和:30481

約数の個数: 88

約数和(自身を含む): 46282997520

約数和(自身を除く): 25402594064

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 64, 88, 122, 128, 176, 244, 256, 352, 488, 512, 671, 704, 976, 1024, 1342, 1408, 1952, 2684, 2816, 3904, 5368, 5632, 7808, 10736, 11264, 15616, 21472, 30389, 31232, 42944, 60778, 62464, 85888, 121556, 171776, 243112, 334279, 343552, 486224, 668558, 687104, 972448, 1337116, 1853729, 1944896, 2674232, 3707458, 3889792, 5348464, 7414916, 7779584, 10696928, 14829832, 15559168, 20391019, 21393856, 29659664, 31118336, 40782038, 42787712, 59319328, 81564076, 85575424, 118638656, 163128152, 171150848, 237277312, 326256304, 342301696, 474554624, 652512608, 949109248, 1305025216, 1898218496, 2610050432, 5220100864, 10440201728, 20880403456]

約数ペア:

[(1, 20880403456), (2, 10440201728), (4, 5220100864), (8, 2610050432), (11, 1898218496), (16, 1305025216), (22, 949109248), (32, 652512608), (44, 474554624), (61, 342301696), (64, 326256304), (88, 237277312), (122, 171150848), (128, 163128152), (176, 118638656), (244, 85575424), (256, 81564076), (352, 59319328), (488, 42787712), (512, 40782038), (671, 31118336), (704, 29659664), (976, 21393856), (1024, 20391019), (1342, 15559168), (1408, 14829832), (1952, 10696928), (2684, 7779584), (2816, 7414916), (3904, 5348464), (5368, 3889792), (5632, 3707458), (7808, 2674232), (10736, 1944896), (11264, 1853729), (15616, 1337116), (21472, 972448), (30389, 687104), (31232, 668558), (42944, 486224), (60778, 343552), (62464, 334279), (85888, 243112), (121556, 171776)]