20145201579

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:897

約数の個数: 64

約数和(自身を含む): 30838164480

約数和(自身を除く): 10692962901

約数列:

[1, 3, 9, 27, 53, 137, 159, 211, 411, 477, 487, 633, 1233, 1431, 1461, 1899, 3699, 4383, 5697, 7261, 11183, 13149, 21783, 25811, 28907, 33549, 65349, 66719, 77433, 86721, 100647, 102757, 196047, 200157, 232299, 260163, 301941, 308271, 600471, 696897, 780489, 924813, 1532071, 1801413, 2774439, 3536107, 4596213, 5446121, 10608321, 13788639, 14077709, 16338363, 31824963, 41365917, 42233127, 49015089, 95474889, 126699381, 147045267, 380098143, 746118577, 2238355731, 6715067193, 20145201579]

約数ペア:

[(1, 20145201579), (3, 6715067193), (9, 2238355731), (27, 746118577), (53, 380098143), (137, 147045267), (159, 126699381), (211, 95474889), (411, 49015089), (477, 42233127), (487, 41365917), (633, 31824963), (1233, 16338363), (1431, 14077709), (1461, 13788639), (1899, 10608321), (3699, 5446121), (4383, 4596213), (5697, 3536107), (7261, 2774439), (11183, 1801413), (13149, 1532071), (21783, 924813), (25811, 780489), (28907, 696897), (33549, 600471), (65349, 308271), (66719, 301941), (77433, 260163), (86721, 232299), (100647, 200157), (102757, 196047)]