20470868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 20776492

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 61, 116, 122, 244, 263, 319, 526, 638, 671, 1052, 1276, 1342, 1769, 2684, 2893, 3538, 5786, 7076, 7627, 11572, 15254, 16043, 19459, 30508, 32086, 38918, 64172, 77836, 83897, 167794, 176473, 335588, 352946, 465247, 705892, 930494, 1860988, 5117717, 10235434, 20470868]

約数ペア:

[(1, 20470868), (2, 10235434), (4, 5117717), (11, 1860988), (22, 930494), (29, 705892), (44, 465247), (58, 352946), (61, 335588), (116, 176473), (122, 167794), (244, 83897), (263, 77836), (319, 64172), (526, 38918), (638, 32086), (671, 30508), (1052, 19459), (1276, 16043), (1342, 15254), (1769, 11572), (2684, 7627), (2893, 7076), (3538, 5786)]