20819364

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{719}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 51609600

約数和(自身を除く): 30790236

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 127, 228, 254, 381, 508, 719, 762, 1438, 1524, 2157, 2413, 2876, 4314, 4826, 7239, 8628, 9652, 13661, 14478, 27322, 28956, 40983, 54644, 81966, 91313, 163932, 182626, 273939, 365252, 547878, 1095756, 1734947, 3469894, 5204841, 6939788, 10409682, 20819364]

約数ペア:

[(1, 20819364), (2, 10409682), (3, 6939788), (4, 5204841), (6, 3469894), (12, 1734947), (19, 1095756), (38, 547878), (57, 365252), (76, 273939), (114, 182626), (127, 163932), (228, 91313), (254, 81966), (381, 54644), (508, 40983), (719, 28956), (762, 27322), (1438, 14478), (1524, 13661), (2157, 9652), (2413, 8628), (2876, 7239), (4314, 4826)]