20565238878

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{158881}}^1$

素因数の和:158959

約数の個数: 80

約数和(自身を含む): 49830479424

約数和(自身を除く): 29265240546

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 47, 51, 54, 81, 94, 102, 141, 153, 162, 282, 306, 423, 459, 799, 846, 918, 1269, 1377, 1598, 2397, 2538, 2754, 3807, 4794, 7191, 7614, 14382, 21573, 43146, 64719, 129438, 158881, 317762, 476643, 953286, 1429929, 2700977, 2859858, 4289787, 5401954, 7467407, 8102931, 8579574, 12869361, 14934814, 16205862, 22402221, 24308793, 25738722, 44804442, 48617586, 67206663, 72926379, 126945919, 134413326, 145852758, 201619989, 218779137, 253891838, 380837757, 403239978, 437558274, 604859967, 761675514, 1142513271, 1209719934, 2285026542, 3427539813, 6855079626, 10282619439, 20565238878]

約数ペア:

[(1, 20565238878), (2, 10282619439), (3, 6855079626), (6, 3427539813), (9, 2285026542), (17, 1209719934), (18, 1142513271), (27, 761675514), (34, 604859967), (47, 437558274), (51, 403239978), (54, 380837757), (81, 253891838), (94, 218779137), (102, 201619989), (141, 145852758), (153, 134413326), (162, 126945919), (282, 72926379), (306, 67206663), (423, 48617586), (459, 44804442), (799, 25738722), (846, 24308793), (918, 22402221), (1269, 16205862), (1377, 14934814), (1598, 12869361), (2397, 8579574), (2538, 8102931), (2754, 7467407), (3807, 5401954), (4794, 4289787), (7191, 2859858), (7614, 2700977), (14382, 1429929), (21573, 953286), (43146, 476643), (64719, 317762), (129438, 158881)]