20781276

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{101869}}^1$

素因数の和:101893

約数の個数: 24

約数和(自身を含む): 51342480

約数和(自身を除く): 30561204

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 101869, 203738, 305607, 407476, 611214, 1222428, 1731773, 3463546, 5195319, 6927092, 10390638, 20781276]

約数ペア:

[(1, 20781276), (2, 10390638), (3, 6927092), (4, 5195319), (6, 3463546), (12, 1731773), (17, 1222428), (34, 611214), (51, 407476), (68, 305607), (102, 203738), (204, 101869)]