20787470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3203}}^1$

素因数の和:3280

約数の個数: 32

約数和(自身を含む): 41523840

約数和(自身を除く): 20736370

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 590, 649, 1298, 3203, 3245, 6406, 6490, 16015, 32030, 35233, 70466, 176165, 188977, 352330, 377954, 944885, 1889770, 2078747, 4157494, 10393735, 20787470]

約数ペア:

[(1, 20787470), (2, 10393735), (5, 4157494), (10, 2078747), (11, 1889770), (22, 944885), (55, 377954), (59, 352330), (110, 188977), (118, 176165), (295, 70466), (590, 35233), (649, 32030), (1298, 16015), (3203, 6490), (3245, 6406)]