20238049585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1361}}^1\times {\mathrm{13457}}^1$

素因数の和:14853

約数の個数: 32

約数和(自身を含む): 27714651552

約数和(自身を除く): 7476601967

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1361, 6805, 13457, 17693, 23137, 67285, 88465, 115685, 174941, 228769, 300781, 874705, 1143845, 1503905, 2973997, 14869985, 18314977, 91574885, 238094701, 311354609, 1190473505, 1556773045, 4047609917, 20238049585]

約数ペア:

[(1, 20238049585), (5, 4047609917), (13, 1556773045), (17, 1190473505), (65, 311354609), (85, 238094701), (221, 91574885), (1105, 18314977), (1361, 14869985), (6805, 2973997), (13457, 1503905), (17693, 1143845), (23137, 874705), (67285, 300781), (88465, 228769), (115685, 174941)]