20777572

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 39836160

約数和(自身を除く): 19058588

約数列:

[1, 2, 4, 29, 37, 47, 58, 74, 94, 103, 116, 148, 188, 206, 412, 1073, 1363, 1739, 2146, 2726, 2987, 3478, 3811, 4292, 4841, 5452, 5974, 6956, 7622, 9682, 11948, 15244, 19364, 50431, 100862, 110519, 140389, 179117, 201724, 221038, 280778, 358234, 442076, 561556, 716468, 5194393, 10388786, 20777572]

約数ペア:

[(1, 20777572), (2, 10388786), (4, 5194393), (29, 716468), (37, 561556), (47, 442076), (58, 358234), (74, 280778), (94, 221038), (103, 201724), (116, 179117), (148, 140389), (188, 110519), (206, 100862), (412, 50431), (1073, 19364), (1363, 15244), (1739, 11948), (2146, 9682), (2726, 7622), (2987, 6956), (3478, 5974), (3811, 5452), (4292, 4841)]