20016616

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2777}}^1$

素因数の和:2853

約数の個数: 32

約数和(自身を含む): 40503240

約数和(自身を除く): 20486624

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 2777, 3604, 5554, 7208, 11108, 22216, 47209, 94418, 147181, 188836, 294362, 377672, 588724, 1177448, 2502077, 5004154, 10008308, 20016616]

約数ペア:

[(1, 20016616), (2, 10008308), (4, 5004154), (8, 2502077), (17, 1177448), (34, 588724), (53, 377672), (68, 294362), (106, 188836), (136, 147181), (212, 94418), (424, 47209), (901, 22216), (1802, 11108), (2777, 7208), (3604, 5554)]