20457294

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 48722688

約数和(自身を除く): 28265394

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 113, 143, 211, 226, 286, 339, 422, 429, 633, 678, 858, 1243, 1266, 1469, 2321, 2486, 2743, 2938, 3729, 4407, 4642, 5486, 6963, 7458, 8229, 8814, 13926, 16159, 16458, 23843, 30173, 32318, 47686, 48477, 60346, 71529, 90519, 96954, 143058, 181038, 262273, 309959, 524546, 619918, 786819, 929877, 1573638, 1859754, 3409549, 6819098, 10228647, 20457294]

約数ペア:

[(1, 20457294), (2, 10228647), (3, 6819098), (6, 3409549), (11, 1859754), (13, 1573638), (22, 929877), (26, 786819), (33, 619918), (39, 524546), (66, 309959), (78, 262273), (113, 181038), (143, 143058), (211, 96954), (226, 90519), (286, 71529), (339, 60346), (422, 48477), (429, 47686), (633, 32318), (678, 30173), (858, 23843), (1243, 16458), (1266, 16159), (1469, 13926), (2321, 8814), (2486, 8229), (2743, 7458), (2938, 6963), (3729, 5486), (4407, 4642)]