20687316003

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:730

約数の個数: 80

約数和(自身を含む): 32272732800

約数和(自身を除く): 11585416797

約数列:

[1, 3, 9, 27, 41, 81, 97, 123, 149, 291, 369, 431, 447, 873, 1107, 1293, 1341, 2619, 3321, 3879, 3977, 4023, 6109, 7857, 11637, 11931, 12069, 14453, 17671, 18327, 34911, 35793, 41807, 43359, 53013, 54981, 64219, 107379, 125421, 130077, 159039, 164943, 192657, 322137, 376263, 390231, 477117, 494829, 577971, 592573, 1128789, 1170693, 1431351, 1714087, 1733913, 1777719, 2632979, 3386367, 5142261, 5201739, 5333157, 6229243, 7898937, 15426783, 15999471, 18687729, 23696811, 46280349, 47998413, 56063187, 71090433, 138841047, 168189561, 213271299, 255398963, 504568683, 766196889, 2298590667, 6895772001, 20687316003]

約数ペア:

[(1, 20687316003), (3, 6895772001), (9, 2298590667), (27, 766196889), (41, 504568683), (81, 255398963), (97, 213271299), (123, 168189561), (149, 138841047), (291, 71090433), (369, 56063187), (431, 47998413), (447, 46280349), (873, 23696811), (1107, 18687729), (1293, 15999471), (1341, 15426783), (2619, 7898937), (3321, 6229243), (3879, 5333157), (3977, 5201739), (4023, 5142261), (6109, 3386367), (7857, 2632979), (11637, 1777719), (11931, 1733913), (12069, 1714087), (14453, 1431351), (17671, 1170693), (18327, 1128789), (34911, 592573), (35793, 577971), (41807, 494829), (43359, 477117), (53013, 390231), (54981, 376263), (64219, 322137), (107379, 192657), (125421, 164943), (130077, 159039)]