20219449788

素因数分解:

$2^2\times 3^2\times {\mathrm{311}}^1\times {\mathrm{397}}^1\times {\mathrm{4549}}^1$

素因数の和:5267

約数の個数: 72

約数和(自身を含む): 51415072800

約数和(自身を除く): 31195623012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 311, 397, 622, 794, 933, 1191, 1244, 1588, 1866, 2382, 2799, 3573, 3732, 4549, 4764, 5598, 7146, 9098, 11196, 13647, 14292, 18196, 27294, 40941, 54588, 81882, 123467, 163764, 246934, 370401, 493868, 740802, 1111203, 1414739, 1481604, 1805953, 2222406, 2829478, 3611906, 4244217, 4444812, 5417859, 5658956, 7223812, 8488434, 10835718, 12732651, 16253577, 16976868, 21671436, 25465302, 32507154, 50930604, 65014308, 561651383, 1123302766, 1684954149, 2246605532, 3369908298, 5054862447, 6739816596, 10109724894, 20219449788]

約数ペア:

[(1, 20219449788), (2, 10109724894), (3, 6739816596), (4, 5054862447), (6, 3369908298), (9, 2246605532), (12, 1684954149), (18, 1123302766), (36, 561651383), (311, 65014308), (397, 50930604), (622, 32507154), (794, 25465302), (933, 21671436), (1191, 16976868), (1244, 16253577), (1588, 12732651), (1866, 10835718), (2382, 8488434), (2799, 7223812), (3573, 5658956), (3732, 5417859), (4549, 4444812), (4764, 4244217), (5598, 3611906), (7146, 2829478), (9098, 2222406), (11196, 1805953), (13647, 1481604), (14292, 1414739), (18196, 1111203), (27294, 740802), (40941, 493868), (54588, 370401), (81882, 246934), (123467, 163764)]