20878066

素因数分解:

$2^1\times {\mathrm{11}}^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:100

約数の個数: 40

約数和(自身を含む): 37105920

約数和(自身を除く): 16227854

約数列:

[1, 2, 11, 22, 23, 31, 46, 62, 121, 242, 253, 341, 506, 682, 713, 1331, 1426, 2662, 2783, 3751, 5566, 7502, 7843, 14641, 15686, 29282, 30613, 41261, 61226, 82522, 86273, 172546, 336743, 453871, 673486, 907742, 949003, 1898006, 10439033, 20878066]

約数ペア:

[(1, 20878066), (2, 10439033), (11, 1898006), (22, 949003), (23, 907742), (31, 673486), (46, 453871), (62, 336743), (121, 172546), (242, 86273), (253, 82522), (341, 61226), (506, 41261), (682, 30613), (713, 29282), (1331, 15686), (1426, 14641), (2662, 7843), (2783, 7502), (3751, 5566)]