20347656498

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{812671}}^1$

素因数の和:812799

約数の個数: 48

約数和(自身を含む): 47921642496

約数和(自身を除く): 27573985998

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 107, 117, 214, 234, 321, 642, 963, 1391, 1926, 2782, 4173, 8346, 12519, 25038, 812671, 1625342, 2438013, 4876026, 7314039, 10564723, 14628078, 21129446, 31694169, 63388338, 86955797, 95082507, 173911594, 190165014, 260867391, 521734782, 782602173, 1130425361, 1565204346, 2260850722, 3391276083, 6782552166, 10173828249, 20347656498]

約数ペア:

[(1, 20347656498), (2, 10173828249), (3, 6782552166), (6, 3391276083), (9, 2260850722), (13, 1565204346), (18, 1130425361), (26, 782602173), (39, 521734782), (78, 260867391), (107, 190165014), (117, 173911594), (214, 95082507), (234, 86955797), (321, 63388338), (642, 31694169), (963, 21129446), (1391, 14628078), (1926, 10564723), (2782, 7314039), (4173, 4876026), (8346, 2438013), (12519, 1625342), (25038, 812671)]