20548024

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 46402560

約数和(自身を除く): 25854536

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 47, 56, 74, 94, 148, 188, 211, 259, 296, 329, 376, 422, 518, 658, 844, 1036, 1316, 1477, 1688, 1739, 2072, 2632, 2954, 3478, 5908, 6956, 7807, 9917, 11816, 12173, 13912, 15614, 19834, 24346, 31228, 39668, 48692, 54649, 62456, 69419, 79336, 97384, 109298, 138838, 218596, 277676, 366929, 437192, 555352, 733858, 1467716, 2568503, 2935432, 5137006, 10274012, 20548024]

約数ペア:

[(1, 20548024), (2, 10274012), (4, 5137006), (7, 2935432), (8, 2568503), (14, 1467716), (28, 733858), (37, 555352), (47, 437192), (56, 366929), (74, 277676), (94, 218596), (148, 138838), (188, 109298), (211, 97384), (259, 79336), (296, 69419), (329, 62456), (376, 54649), (422, 48692), (518, 39668), (658, 31228), (844, 24346), (1036, 19834), (1316, 15614), (1477, 13912), (1688, 12173), (1739, 11816), (2072, 9917), (2632, 7807), (2954, 6956), (3478, 5908)]