20883148

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3319}}^1$

素因数の和:3358

約数の個数: 36

約数和(自身を含む): 43272880

約数和(自身を除く): 22389732

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3146, 3319, 6292, 6638, 13276, 36509, 43147, 73018, 86294, 146036, 172588, 401599, 474617, 803198, 949234, 1606396, 1898468, 5220787, 10441574, 20883148]

約数ペア:

[(1, 20883148), (2, 10441574), (4, 5220787), (11, 1898468), (13, 1606396), (22, 949234), (26, 803198), (44, 474617), (52, 401599), (121, 172588), (143, 146036), (242, 86294), (286, 73018), (484, 43147), (572, 36509), (1573, 13276), (3146, 6638), (3319, 6292)]