20297508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1997}}^1$

素因数の和:2033

約数の個数: 72

約数和(自身を含む): 59524416

約数和(自身を除く): 39226908

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 1997, 2541, 3388, 3994, 5082, 5991, 7988, 10164, 11982, 13979, 21967, 23964, 27958, 41937, 43934, 55916, 65901, 83874, 87868, 131802, 153769, 167748, 241637, 263604, 307538, 461307, 483274, 615076, 724911, 922614, 966548, 1449822, 1691459, 1845228, 2899644, 3382918, 5074377, 6765836, 10148754, 20297508]

約数ペア:

[(1, 20297508), (2, 10148754), (3, 6765836), (4, 5074377), (6, 3382918), (7, 2899644), (11, 1845228), (12, 1691459), (14, 1449822), (21, 966548), (22, 922614), (28, 724911), (33, 615076), (42, 483274), (44, 461307), (66, 307538), (77, 263604), (84, 241637), (121, 167748), (132, 153769), (154, 131802), (231, 87868), (242, 83874), (308, 65901), (363, 55916), (462, 43934), (484, 41937), (726, 27958), (847, 23964), (924, 21967), (1452, 13979), (1694, 11982), (1997, 10164), (2541, 7988), (3388, 5991), (3994, 5082)]