20393688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6389}}^1$

素因数の和:6424

約数の個数: 64

約数和(自身を含む): 61344000

約数和(自身を除く): 40950312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 3192, 6389, 12778, 19167, 25556, 38334, 44723, 51112, 76668, 89446, 121391, 134169, 153336, 178892, 242782, 268338, 357784, 364173, 485564, 536676, 728346, 849737, 971128, 1073352, 1456692, 1699474, 2549211, 2913384, 3398948, 5098422, 6797896, 10196844, 20393688]

約数ペア:

[(1, 20393688), (2, 10196844), (3, 6797896), (4, 5098422), (6, 3398948), (7, 2913384), (8, 2549211), (12, 1699474), (14, 1456692), (19, 1073352), (21, 971128), (24, 849737), (28, 728346), (38, 536676), (42, 485564), (56, 364173), (57, 357784), (76, 268338), (84, 242782), (114, 178892), (133, 153336), (152, 134169), (168, 121391), (228, 89446), (266, 76668), (399, 51112), (456, 44723), (532, 38334), (798, 25556), (1064, 19167), (1596, 12778), (3192, 6389)]