20280934912

素因数分解:

$2^9\times 7^1\times {\mathrm{37}}^1\times {\mathrm{152939}}^1$

素因数の和:153001

約数の個数: 80

約数和(自身を含む): 47563116480

約数和(自身を除く): 27282181568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 256, 259, 296, 448, 512, 518, 592, 896, 1036, 1184, 1792, 2072, 2368, 3584, 4144, 4736, 8288, 9472, 16576, 18944, 33152, 66304, 132608, 152939, 305878, 611756, 1070573, 1223512, 2141146, 2447024, 4282292, 4894048, 5658743, 8564584, 9788096, 11317486, 17129168, 19576192, 22634972, 34258336, 39152384, 39611201, 45269944, 68516672, 78304768, 79222402, 90539888, 137033344, 158444804, 181079776, 274066688, 316889608, 362159552, 548133376, 633779216, 724319104, 1267558432, 1448638208, 2535116864, 2897276416, 5070233728, 10140467456, 20280934912]

約数ペア:

[(1, 20280934912), (2, 10140467456), (4, 5070233728), (7, 2897276416), (8, 2535116864), (14, 1448638208), (16, 1267558432), (28, 724319104), (32, 633779216), (37, 548133376), (56, 362159552), (64, 316889608), (74, 274066688), (112, 181079776), (128, 158444804), (148, 137033344), (224, 90539888), (256, 79222402), (259, 78304768), (296, 68516672), (448, 45269944), (512, 39611201), (518, 39152384), (592, 34258336), (896, 22634972), (1036, 19576192), (1184, 17129168), (1792, 11317486), (2072, 9788096), (2368, 8564584), (3584, 5658743), (4144, 4894048), (4736, 4282292), (8288, 2447024), (9472, 2141146), (16576, 1223512), (18944, 1070573), (33152, 611756), (66304, 305878), (132608, 152939)]