20883982

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 37078272

約数和(自身を除く): 16194290

約数列:

[1, 2, 7, 14, 43, 86, 113, 226, 301, 307, 602, 614, 791, 1582, 2149, 4298, 4859, 9718, 13201, 26402, 34013, 34691, 68026, 69382, 92407, 184814, 242837, 485674, 1491713, 2983426, 10441991, 20883982]

約数ペア:

[(1, 20883982), (2, 10441991), (7, 2983426), (14, 1491713), (43, 485674), (86, 242837), (113, 184814), (226, 92407), (301, 69382), (307, 68026), (602, 34691), (614, 34013), (791, 26402), (1582, 13201), (2149, 9718), (4298, 4859)]