20951179521

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{15227}}^1$

素因数の和:15589

約数の個数: 32

約数和(自身を含む): 29822515200

約数和(自身を除く): 8871335679

約数列:

[1, 3, 19, 57, 101, 239, 303, 717, 1919, 4541, 5757, 13623, 15227, 24139, 45681, 72417, 289313, 458641, 867939, 1375923, 1537927, 3639253, 4613781, 10917759, 29220613, 69145807, 87661839, 207437421, 367564553, 1102693659, 6983726507, 20951179521]

約数ペア:

[(1, 20951179521), (3, 6983726507), (19, 1102693659), (57, 367564553), (101, 207437421), (239, 87661839), (303, 69145807), (717, 29220613), (1919, 10917759), (4541, 4613781), (5757, 3639253), (13623, 1537927), (15227, 1375923), (24139, 867939), (45681, 458641), (72417, 289313)]