20120850009

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{5717}}^1$

素因数の和:6047

約数の個数: 64

約数和(自身を含む): 33096698880

約数和(自身を除く): 12975848871

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 271, 333, 351, 481, 813, 999, 1443, 2439, 3523, 4329, 5717, 7317, 10027, 10569, 12987, 17151, 30081, 31707, 51453, 74321, 90243, 95121, 130351, 154359, 211529, 222963, 270729, 391053, 634587, 668889, 1173159, 1549307, 1903761, 2006667, 2749877, 3519477, 4647921, 5711283, 8249631, 13943763, 20140991, 24748893, 41831289, 57324359, 60422973, 74246679, 171973077, 181268919, 515919231, 543806757, 745216667, 1547757693, 2235650001, 6706950003, 20120850009]

約数ペア:

[(1, 20120850009), (3, 6706950003), (9, 2235650001), (13, 1547757693), (27, 745216667), (37, 543806757), (39, 515919231), (111, 181268919), (117, 171973077), (271, 74246679), (333, 60422973), (351, 57324359), (481, 41831289), (813, 24748893), (999, 20140991), (1443, 13943763), (2439, 8249631), (3523, 5711283), (4329, 4647921), (5717, 3519477), (7317, 2749877), (10027, 2006667), (10569, 1903761), (12987, 1549307), (17151, 1173159), (30081, 668889), (31707, 634587), (51453, 391053), (74321, 270729), (90243, 222963), (95121, 211529), (130351, 154359)]