20868632

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{307}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 40748400

約数和(自身を除く): 19879768

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 293, 307, 586, 614, 1172, 1228, 2344, 2456, 8497, 8903, 16994, 17806, 33988, 35612, 67976, 71224, 89951, 179902, 359804, 719608, 2608579, 5217158, 10434316, 20868632]

約数ペア:

[(1, 20868632), (2, 10434316), (4, 5217158), (8, 2608579), (29, 719608), (58, 359804), (116, 179902), (232, 89951), (293, 71224), (307, 67976), (586, 35612), (614, 33988), (1172, 17806), (1228, 16994), (2344, 8903), (2456, 8497)]