20806484260

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{593}}^1\times {\mathrm{7867}}^1$

素因数の和:8692

約数の個数: 48

約数和(自身を含む): 43969153536

約数和(自身を除く): 23162669276

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 593, 892, 1115, 1186, 2230, 2372, 2965, 4460, 5930, 7867, 11860, 15734, 31468, 39335, 78670, 132239, 157340, 264478, 528956, 661195, 1322390, 1754341, 2644780, 3508682, 4665131, 7017364, 8771705, 9330262, 17543410, 18660524, 23325655, 35086820, 46651310, 93302620, 1040324213, 2080648426, 4161296852, 5201621065, 10403242130, 20806484260]

約数ペア:

[(1, 20806484260), (2, 10403242130), (4, 5201621065), (5, 4161296852), (10, 2080648426), (20, 1040324213), (223, 93302620), (446, 46651310), (593, 35086820), (892, 23325655), (1115, 18660524), (1186, 17543410), (2230, 9330262), (2372, 8771705), (2965, 7017364), (4460, 4665131), (5930, 3508682), (7867, 2644780), (11860, 1754341), (15734, 1322390), (31468, 661195), (39335, 528956), (78670, 264478), (132239, 157340)]