20872922

素因数分解:

$2^1\times 7^3\times {\mathrm{30427}}^1$

素因数の和:30450

約数の個数: 16

約数和(自身を含む): 36513600

約数和(自身を除く): 15640678

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 30427, 60854, 212989, 425978, 1490923, 2981846, 10436461, 20872922]

約数ペア:

[(1, 20872922), (2, 10436461), (7, 2981846), (14, 1490923), (49, 425978), (98, 212989), (343, 60854), (686, 30427)]