20187065505

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9091}}^1\times {\mathrm{4001}}^1$

素因数の和:13137

約数の個数: 32

約数和(自身を含む): 33184199808

約数和(自身を除く): 12997134303

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 4001, 9091, 12003, 20005, 27273, 45455, 60015, 136365, 148037, 336367, 444111, 740185, 1009101, 1681835, 2220555, 5045505, 36373091, 109119273, 181865455, 545596365, 1345804367, 4037413101, 6729021835, 20187065505]

約数ペア:

[(1, 20187065505), (3, 6729021835), (5, 4037413101), (15, 1345804367), (37, 545596365), (111, 181865455), (185, 109119273), (555, 36373091), (4001, 5045505), (9091, 2220555), (12003, 1681835), (20005, 1009101), (27273, 740185), (45455, 444111), (60015, 336367), (136365, 148037)]