20007980028

素因数分解:

$2^2\times 3^2\times {\mathrm{12479}}^1\times {\mathrm{44537}}^1$

素因数の和:57026

約数の個数: 36

約数和(自身を含む): 50580915840

約数和(自身を除く): 30572935812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 12479, 24958, 37437, 44537, 49916, 74874, 89074, 112311, 133611, 149748, 178148, 224622, 267222, 400833, 449244, 534444, 801666, 1603332, 555777223, 1111554446, 1667331669, 2223108892, 3334663338, 5001995007, 6669326676, 10003990014, 20007980028]

約数ペア:

[(1, 20007980028), (2, 10003990014), (3, 6669326676), (4, 5001995007), (6, 3334663338), (9, 2223108892), (12, 1667331669), (18, 1111554446), (36, 555777223), (12479, 1603332), (24958, 801666), (37437, 534444), (44537, 449244), (49916, 400833), (74874, 267222), (89074, 224622), (112311, 178148), (133611, 149748)]