20931078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9403}}^1$

素因数の和:9468

約数の個数: 32

約数和(自身を含む): 48750336

約数和(自身を除く): 27819258

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 9403, 18806, 28209, 56418, 65821, 131642, 197463, 394926, 498359, 996718, 1495077, 2990154, 3488513, 6977026, 10465539, 20931078]

約数ペア:

[(1, 20931078), (2, 10465539), (3, 6977026), (6, 3488513), (7, 2990154), (14, 1495077), (21, 996718), (42, 498359), (53, 394926), (106, 197463), (159, 131642), (318, 65821), (371, 56418), (742, 28209), (1113, 18806), (2226, 9403)]