20807540117

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{9227}}^1\times {\mathrm{24781}}^1$

素因数の和:34028

約数の個数: 16

約数和(自身を含む): 25613089152

約数和(自身を除く): 4805549035

約数列:

[1, 7, 13, 91, 9227, 24781, 64589, 119951, 173467, 322153, 839657, 2255071, 228654287, 1600580009, 2972505731, 20807540117]

約数ペア:

[(1, 20807540117), (7, 2972505731), (13, 1600580009), (91, 228654287), (9227, 2255071), (24781, 839657), (64589, 322153), (119951, 173467)]