20275280500

素因数分解:

$2^2\times 5^3\times {\mathrm{3823}}^1\times {\mathrm{10607}}^1$

素因数の和:14449

約数の個数: 48

約数和(自身を含む): 44296971264

約数和(自身を除く): 24021690764

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 3823, 7646, 10607, 15292, 19115, 21214, 38230, 42428, 53035, 76460, 95575, 106070, 191150, 212140, 265175, 382300, 477875, 530350, 955750, 1060700, 1325875, 1911500, 2651750, 5303500, 40550561, 81101122, 162202244, 202752805, 405505610, 811011220, 1013764025, 2027528050, 4055056100, 5068820125, 10137640250, 20275280500]

約数ペア:

[(1, 20275280500), (2, 10137640250), (4, 5068820125), (5, 4055056100), (10, 2027528050), (20, 1013764025), (25, 811011220), (50, 405505610), (100, 202752805), (125, 162202244), (250, 81101122), (500, 40550561), (3823, 5303500), (7646, 2651750), (10607, 1911500), (15292, 1325875), (19115, 1060700), (21214, 955750), (38230, 530350), (42428, 477875), (53035, 382300), (76460, 265175), (95575, 212140), (106070, 191150)]