20163655967

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2081}}^1$

素因数の和:2209

約数の個数: 64

約数和(自身を含む): 26443065600

約数和(自身を除く): 6279409633

約数列:

[1, 7, 13, 41, 49, 53, 91, 287, 343, 371, 533, 637, 689, 2009, 2081, 2173, 2597, 3731, 4459, 4823, 14063, 14567, 15211, 18179, 26117, 27053, 28249, 33761, 85321, 101969, 106477, 110293, 182819, 189371, 197743, 236327, 597247, 713783, 745339, 772051, 1109173, 1325597, 1384201, 1433809, 4180729, 4522013, 5404357, 7764211, 9279179, 9689407, 10036663, 29265103, 31654091, 37830499, 54349477, 58786169, 70256641, 221578637, 380446339, 411503183, 491796487, 1551050459, 2880522281, 20163655967]

約数ペア:

[(1, 20163655967), (7, 2880522281), (13, 1551050459), (41, 491796487), (49, 411503183), (53, 380446339), (91, 221578637), (287, 70256641), (343, 58786169), (371, 54349477), (533, 37830499), (637, 31654091), (689, 29265103), (2009, 10036663), (2081, 9689407), (2173, 9279179), (2597, 7764211), (3731, 5404357), (4459, 4522013), (4823, 4180729), (14063, 1433809), (14567, 1384201), (15211, 1325597), (18179, 1109173), (26117, 772051), (27053, 745339), (28249, 713783), (33761, 597247), (85321, 236327), (101969, 197743), (106477, 189371), (110293, 182819)]