20491284

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 55520640

約数和(自身を除く): 35029356

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 53, 58, 66, 87, 101, 106, 116, 132, 159, 174, 202, 212, 303, 318, 319, 348, 404, 583, 606, 636, 638, 957, 1111, 1166, 1212, 1276, 1537, 1749, 1914, 2222, 2332, 2929, 3074, 3333, 3498, 3828, 4444, 4611, 5353, 5858, 6148, 6666, 6996, 8787, 9222, 10706, 11716, 13332, 16059, 16907, 17574, 18444, 21412, 32118, 32219, 33814, 35148, 50721, 58883, 64236, 64438, 67628, 96657, 101442, 117766, 128876, 155237, 176649, 193314, 202884, 235532, 310474, 353298, 386628, 465711, 620948, 706596, 931422, 1707607, 1862844, 3415214, 5122821, 6830428, 10245642, 20491284]

約数ペア:

[(1, 20491284), (2, 10245642), (3, 6830428), (4, 5122821), (6, 3415214), (11, 1862844), (12, 1707607), (22, 931422), (29, 706596), (33, 620948), (44, 465711), (53, 386628), (58, 353298), (66, 310474), (87, 235532), (101, 202884), (106, 193314), (116, 176649), (132, 155237), (159, 128876), (174, 117766), (202, 101442), (212, 96657), (303, 67628), (318, 64438), (319, 64236), (348, 58883), (404, 50721), (583, 35148), (606, 33814), (636, 32219), (638, 32118), (957, 21412), (1111, 18444), (1166, 17574), (1212, 16907), (1276, 16059), (1537, 13332), (1749, 11716), (1914, 10706), (2222, 9222), (2332, 8787), (2929, 6996), (3074, 6666), (3333, 6148), (3498, 5858), (3828, 5353), (4444, 4611)]