20806866184

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1\times {\mathrm{5813}}^1$

素因数の和:6230

約数の個数: 64

約数和(自身を含む): 42508247040

約数和(自身を除く): 21701380856

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 271, 508, 542, 1016, 1084, 1651, 2168, 3302, 3523, 5813, 6604, 7046, 11626, 13208, 14092, 23252, 28184, 34417, 46504, 68834, 75569, 137668, 151138, 275336, 302276, 447421, 604552, 738251, 894842, 1476502, 1575323, 1789684, 2953004, 3150646, 3579368, 5906008, 6301292, 9597263, 12602584, 19194526, 20479199, 38389052, 40958398, 76778104, 81916796, 163833592, 200066021, 400132042, 800264084, 1600528168, 2600858273, 5201716546, 10403433092, 20806866184]

約数ペア:

[(1, 20806866184), (2, 10403433092), (4, 5201716546), (8, 2600858273), (13, 1600528168), (26, 800264084), (52, 400132042), (104, 200066021), (127, 163833592), (254, 81916796), (271, 76778104), (508, 40958398), (542, 38389052), (1016, 20479199), (1084, 19194526), (1651, 12602584), (2168, 9597263), (3302, 6301292), (3523, 5906008), (5813, 3579368), (6604, 3150646), (7046, 2953004), (11626, 1789684), (13208, 1575323), (14092, 1476502), (23252, 894842), (28184, 738251), (34417, 604552), (46504, 447421), (68834, 302276), (75569, 275336), (137668, 151138)]