20823870976

素因数分解:

$2^9\times {\mathrm{127}}^1\times {\mathrm{293}}^1\times {\mathrm{1093}}^1$

素因数の和:1531

約数の個数: 80

約数和(自身を含む): 42116304384

約数和(自身を除く): 21292433408

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 293, 508, 512, 586, 1016, 1093, 1172, 2032, 2186, 2344, 4064, 4372, 4688, 8128, 8744, 9376, 16256, 17488, 18752, 32512, 34976, 37211, 37504, 65024, 69952, 74422, 75008, 138811, 139904, 148844, 150016, 277622, 279808, 297688, 320249, 555244, 559616, 595376, 640498, 1110488, 1190752, 1280996, 2220976, 2381504, 2561992, 4441952, 4763008, 5123984, 8883904, 9526016, 10247968, 17767808, 19052032, 20495936, 35535616, 40671623, 40991872, 71071232, 81343246, 81983744, 162686492, 163967488, 325372984, 650745968, 1301491936, 2602983872, 5205967744, 10411935488, 20823870976]

約数ペア:

[(1, 20823870976), (2, 10411935488), (4, 5205967744), (8, 2602983872), (16, 1301491936), (32, 650745968), (64, 325372984), (127, 163967488), (128, 162686492), (254, 81983744), (256, 81343246), (293, 71071232), (508, 40991872), (512, 40671623), (586, 35535616), (1016, 20495936), (1093, 19052032), (1172, 17767808), (2032, 10247968), (2186, 9526016), (2344, 8883904), (4064, 5123984), (4372, 4763008), (4688, 4441952), (8128, 2561992), (8744, 2381504), (9376, 2220976), (16256, 1280996), (17488, 1190752), (18752, 1110488), (32512, 640498), (34976, 595376), (37211, 559616), (37504, 555244), (65024, 320249), (69952, 297688), (74422, 279808), (75008, 277622), (138811, 150016), (139904, 148844)]