20619252

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{2689}}^1$

素因数の和:2773

約数の個数: 48

約数和(自身を含む): 54230400

約数和(自身を除く): 33611148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2556, 2689, 3834, 5378, 7668, 8067, 10756, 16134, 24201, 32268, 48402, 72603, 96804, 145206, 190919, 290412, 381838, 572757, 763676, 1145514, 1718271, 2291028, 3436542, 5154813, 6873084, 10309626, 20619252]

約数ペア:

[(1, 20619252), (2, 10309626), (3, 6873084), (4, 5154813), (6, 3436542), (9, 2291028), (12, 1718271), (18, 1145514), (27, 763676), (36, 572757), (54, 381838), (71, 290412), (108, 190919), (142, 145206), (213, 96804), (284, 72603), (426, 48402), (639, 32268), (852, 24201), (1278, 16134), (1917, 10756), (2556, 8067), (2689, 7668), (3834, 5378)]