20386158

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8431}}^1$

素因数の和:8480

約数の個数: 32

約数和(自身を含む): 45330432

約数和(自身を除く): 24944274

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8431, 16862, 25293, 50586, 109603, 219206, 261361, 328809, 522722, 657618, 784083, 1568166, 3397693, 6795386, 10193079, 20386158]

約数ペア:

[(1, 20386158), (2, 10193079), (3, 6795386), (6, 3397693), (13, 1568166), (26, 784083), (31, 657618), (39, 522722), (62, 328809), (78, 261361), (93, 219206), (186, 109603), (403, 50586), (806, 25293), (1209, 16862), (2418, 8431)]