23720180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{787}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 54806976

約数和(自身を除く): 31086796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 787, 1370, 1507, 1574, 2740, 3014, 3148, 3935, 6028, 7535, 7870, 8657, 15070, 15740, 17314, 30140, 34628, 43285, 86570, 107819, 173140, 215638, 431276, 539095, 1078190, 1186009, 2156380, 2372018, 4744036, 5930045, 11860090, 23720180]

約数ペア:

[(1, 23720180), (2, 11860090), (4, 5930045), (5, 4744036), (10, 2372018), (11, 2156380), (20, 1186009), (22, 1078190), (44, 539095), (55, 431276), (110, 215638), (137, 173140), (220, 107819), (274, 86570), (548, 43285), (685, 34628), (787, 30140), (1370, 17314), (1507, 15740), (1574, 15070), (2740, 8657), (3014, 7870), (3148, 7535), (3935, 6028)]