20263908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{761}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 54278784

約数和(自身を除く): 34014876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 317, 634, 761, 951, 1268, 1522, 1902, 2219, 2283, 3044, 3804, 4438, 4566, 5327, 6657, 8876, 9132, 10654, 13314, 15981, 21308, 26628, 31962, 63924, 241237, 482474, 723711, 964948, 1447422, 1688659, 2894844, 3377318, 5065977, 6754636, 10131954, 20263908]

約数ペア:

[(1, 20263908), (2, 10131954), (3, 6754636), (4, 5065977), (6, 3377318), (7, 2894844), (12, 1688659), (14, 1447422), (21, 964948), (28, 723711), (42, 482474), (84, 241237), (317, 63924), (634, 31962), (761, 26628), (951, 21308), (1268, 15981), (1522, 13314), (1902, 10654), (2219, 9132), (2283, 8876), (3044, 6657), (3804, 5327), (4438, 4566)]